{"title":"Filbur Pool \u0026 Spa Filters For Pentair Sta-Rite Products","description":"\u003cp\u003eFilbur pool and spa filters are renowned for their high-quality construction and efficient filtration capabilities, making them a popular choice for maintaining crystal-clear water in aquatic systems. Filbur filters are designed to capture a wide range of contaminants, including dirt, debris, and fine particles, using advanced filtration media such as pleated polyester or fabric elements. These filters are known for their durability and ease of maintenance, offering features like reinforced end caps and robust filter cores to enhance longevity and performance.\u003c\/p\u003e\n\u003cp\u003eIf you are having difficulty finding the correct replacement filter for your hot tub or pool, please try our \u003ca title=\"Bath \u0026amp; Spa Parts Online Filter Finder\" href=\"\/pages\/filters\"\u003e\u003cstrong\u003eFILTER FINDER\u003c\/strong\u003e\u003c\/a\u003e. You can locate your filter by hot tub brand, the current filter number, by size or by Pleatco, Unicel, Aladdin, or Excel part numbers.\u003c\/p\u003e","products":[{"product_id":"fc-2510","title":"Filbur FC-2510 C-4610 PSR15-4 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eFilbur FC-2510 C-4610 PSR15-4 Spa\/Pool Filter Cartridge is a replacement spa and pool filter cartridge from Filbur Manufacturing, made for systems that require a clean, properly matched cartridge to maintain water clarity and steady circulation. It also references common cartridge cross numbers such as FC-2510, C-4610, PSR15-4 for easier comparison against the part being replaced. This cartridge is intended for use when the existing filter is worn, damaged, difficult to clean, or no longer supporting normal water flow through the spa or pool equipment.\u003c\/p\u003e\u003cp\u003eWhen selecting a replacement cartridge, always compare the part number, length, outside diameter, inside opening, end-cap style, and any printed cross-reference numbers on the old filter before ordering. A correctly matched cartridge helps reduce strain on the pump, supports better filtration performance, and keeps routine maintenance more predictable.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplacement filter cartridge for compatible spa and pool filter systems\u003c\/li\u003e\n\u003cli\u003eFilbur Manufacturing model for easier identification and reordering\u003c\/li\u003e\n\u003cli\u003eHelps trap debris and support clean, clear circulating water\u003c\/li\u003e\n\u003cli\u003eUseful when replacing a worn, clogged, cracked, or hard-to-clean cartridge\u003c\/li\u003e\n\u003cli\u003eCompare all dimensions and end-cap details with the original cartridge before purchase\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":28243797456,"sku":"FC-2510","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/17-175-1695_xl.jpg?v=1486185519"},{"product_id":"fc-2520","title":"Filbur FC-2530 UHD-SR50 (PSR50) Spa\/Pool Filter Cartridge","description":"\u003cp\u003eFilbur FC-2530 UHD-SR50 (PSR50) Spa\/Pool Filter Cartridge is a replacement spa and pool filter cartridge from Filbur Manufacturing, made for systems that require a clean, properly matched cartridge to maintain water clarity and steady circulation. It also references common cartridge cross numbers such as FC-2530, UHD-SR50, PSR50 for easier comparison against the part being replaced. This cartridge is intended for use when the existing filter is worn, damaged, difficult to clean, or no longer supporting normal water flow through the spa or pool equipment.\u003c\/p\u003e\u003cp\u003eWhen selecting a replacement cartridge, always compare the part number, length, outside diameter, inside opening, end-cap style, and any printed cross-reference numbers on the old filter before ordering. A correctly matched cartridge helps reduce strain on the pump, supports better filtration performance, and keeps routine maintenance more predictable.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplacement filter cartridge for compatible spa and pool filter systems\u003c\/li\u003e\n\u003cli\u003eFilbur Manufacturing model for easier identification and reordering\u003c\/li\u003e\n\u003cli\u003eHelps trap debris and support clean, clear circulating water\u003c\/li\u003e\n\u003cli\u003eUseful when replacing a worn, clogged, cracked, or hard-to-clean cartridge\u003c\/li\u003e\n\u003cli\u003eCompare all dimensions and end-cap details with the original cartridge before purchase\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":28243798032,"sku":"FC-2520","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/uhdsr35.jpg?v=1486185520"},{"product_id":"fc-2550","title":"Filbur FC-2550 UHD-SR100 PSR100-4 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eFilbur FC-2550 UHD-SR100 PSR100-4 Spa\/Pool Filter Cartridge is a replacement spa and pool filter cartridge from Filbur Manufacturing, made for systems that require a clean, properly matched cartridge to maintain water clarity and steady circulation. It also references common cartridge cross numbers such as FC-2550, UHD-SR100, PSR100-4 for easier comparison against the part being replaced. This cartridge is intended for use when the existing filter is worn, damaged, difficult to clean, or no longer supporting normal water flow through the spa or pool equipment.\u003c\/p\u003e\u003cp\u003eWhen selecting a replacement cartridge, always compare the part number, length, outside diameter, inside opening, end-cap style, and any printed cross-reference numbers on the old filter before ordering. A correctly matched cartridge helps reduce strain on the pump, supports better filtration performance, and keeps routine maintenance more predictable.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplacement filter cartridge for compatible spa and pool filter systems\u003c\/li\u003e\n\u003cli\u003eFilbur Manufacturing model for easier identification and reordering\u003c\/li\u003e\n\u003cli\u003eHelps trap debris and support clean, clear circulating water\u003c\/li\u003e\n\u003cli\u003eUseful when replacing a worn, clogged, cracked, or hard-to-clean cartridge\u003c\/li\u003e\n\u003cli\u003eCompare all dimensions and end-cap details with the original cartridge before purchase\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":28243807120,"sku":"FC-2550","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/uhdsr100.jpg?v=1486185530"},{"product_id":"fc-2560","title":"Filbur FC-2560 UHD-SR135 PSR135-4 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eFilbur FC-2560 UHD-SR135 PSR135-4 Spa\/Pool Filter Cartridge is a replacement spa and pool filter cartridge from Filbur Manufacturing, made for systems that require a clean, properly matched cartridge to maintain water clarity and steady circulation. It also references common cartridge cross numbers such as FC-2560, UHD-SR135, PSR135-4 for easier comparison against the part being replaced. This cartridge is intended for use when the existing filter is worn, damaged, difficult to clean, or no longer supporting normal water flow through the spa or pool equipment.\u003c\/p\u003e\u003cp\u003eWhen selecting a replacement cartridge, always compare the part number, length, outside diameter, inside opening, end-cap style, and any printed cross-reference numbers on the old filter before ordering. A correctly matched cartridge helps reduce strain on the pump, supports better filtration performance, and keeps routine maintenance more predictable.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplacement filter cartridge for compatible spa and pool filter systems\u003c\/li\u003e\n\u003cli\u003eFilbur Manufacturing model for easier identification and reordering\u003c\/li\u003e\n\u003cli\u003eHelps trap debris and support clean, clear circulating water\u003c\/li\u003e\n\u003cli\u003eUseful when replacing a worn, clogged, cracked, or hard-to-clean cartridge\u003c\/li\u003e\n\u003cli\u003eCompare all dimensions and end-cap details with the original cartridge before purchase\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":28243808592,"sku":"FC-2560","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/uhdsr135.jpg?v=1486185531"},{"product_id":"fc-2570","title":"Pleatco FC-2570 UHD-SR137 Spa\/Pool Filter Cartridge","description":"\u003cp\u003ePleatco FC-2570 UHD-SR137 Spa\/Pool Filter Cartridge is a replacement spa and pool filter cartridge from Pleatco Filters, made for systems that require a clean, properly matched cartridge to maintain water clarity and steady circulation. It also references common cartridge cross numbers such as FC-2570, UHD-SR137 for easier comparison against the part being replaced. This cartridge is intended for use when the existing filter is worn, damaged, difficult to clean, or no longer supporting normal water flow through the spa or pool equipment.\u003c\/p\u003e\u003cp\u003eWhen selecting a replacement cartridge, always compare the part number, length, outside diameter, inside opening, end-cap style, and any printed cross-reference numbers on the old filter before ordering. A correctly matched cartridge helps reduce strain on the pump, supports better filtration performance, and keeps routine maintenance more predictable.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplacement filter cartridge for compatible spa and pool filter systems\u003c\/li\u003e\n\u003cli\u003ePleatco Filters model for easier identification and reordering\u003c\/li\u003e\n\u003cli\u003eHelps trap debris and support clean, clear circulating water\u003c\/li\u003e\n\u003cli\u003eUseful when replacing a worn, clogged, cracked, or hard-to-clean cartridge\u003c\/li\u003e\n\u003cli\u003eCompare all dimensions and end-cap details with the original cartridge before purchase\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pleatco Filters","offers":[{"title":"Default Title","offer_id":28243812240,"sku":"FC-2570","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/17-175-1691_xl.jpg?v=1486185533"},{"product_id":"pa175","title":"Pleatco PA175 FC-2576 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eA replacement filter cartridge helps remove debris from circulating water in a compatible spa or pool system, and this Pleatco version uses the PA175 reference with FC-2576 cross reference support. Filter cartridges are useful because they help maintain water clarity while protecting the pump and other circulation equipment from excessive contamination.\u003c\/p\u003e\u003cp\u003eThis cartridge has practical value because a Pleatco replacement is designed to restore the intended filter performance without changing the larger filter housing. A properly selected cartridge helps preserve fit and contributes to more dependable flow and debris capture during normal operation.\u003c\/p\u003e\u003cp\u003eThis type of part is especially useful when the original cartridge has become too dirty, damaged, or worn to perform effectively even after cleaning. That helps restore the filtration system with a practical, direct replacement.\u003c\/p\u003e\u003cp\u003eInstalled in the proper application, this filter cartridge helps support cleaner water and more dependable ongoing filtration performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePleatco PA175 spa and pool filter cartridge with FC-2576 cross reference\u003c\/li\u003e\n\u003cli\u003eHelps remove suspended debris from compatible filtration systems\u003c\/li\u003e\n\u003cli\u003eUseful when replacing a worn or heavily used original cartridge\u003c\/li\u003e\n\u003cli\u003eSupports dependable water clarity and circulation protection\u003c\/li\u003e\n\u003cli\u003eImproves maintenance results and replacement confidence\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pleatco Filters","offers":[{"title":"Default Title","offer_id":28243813072,"sku":"PA175","price":198.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/17-175-1700_xl.jpg?v=1486185536"},{"product_id":"psr50","title":"Pleatco PSR50 FC-2530 FC-2531 Spa\/Pool Filter Cartridge","description":"\u003cp\u003ePleatco PSR50 FC-2530 FC-2531 Spa\/Pool Filter Cartridge is a replacement spa or pool filter cartridge from Pleatco Filters designed to help restore clean water flow through compatible filtration systems. It is suited for maintenance replacements where the cartridge model, cross-reference number, length, diameter, end-cap style, and core design need to match the existing filter.  Match the item carefully against the existing part, plumbing size, equipment model, and service diagram before installation. A fresh cartridge can improve circulation, reduce strain on the pump, and help keep water clearer when paired with proper cleaning and chemistry.\u003c\/p\u003e\u003cp\u003eBefore ordering, compare all printed cartridge codes and physical dimensions to the filter being replaced. Many cartridges look similar, but small differences in end caps, thread style, opening size, or overall length can affect fit. Replace worn, collapsed, cracked, or heavily soiled cartridges promptly to maintain efficient filtration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine or listed Pleatco Filters replacement option for Filters applications\u003c\/li\u003e\n\u003cli\u003eCompare cartridge length, diameter, end caps, core, and cross-reference numbers before ordering\u003c\/li\u003e\n\u003cli\u003eUseful for repair, rebuild, routine maintenance, or replacement service\u003c\/li\u003e\n\u003cli\u003eCompare size, voltage, color, connection type, and model details before ordering\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended whenever electrical, gas, pressure, or code-sensitive work is involved\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pleatco Filters","offers":[{"title":"Default Title","offer_id":45017406341275,"sku":"PSR50","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/PSR50.jpg?v=1756220808"},{"product_id":"psr100","title":"Pleatco PSR100 FC-2550 Spa\/Pool Filter Cartridge","description":"\u003cp\u003ePleatco PSR100 FC-2550 Spa\/Pool Filter Cartridge is a replacement spa or pool filter cartridge from Pleatco Filters designed to help restore clean water flow through compatible filtration systems. It is suited for maintenance replacements where the cartridge model, cross-reference number, length, diameter, end-cap style, and core design need to match the existing filter.  Match the item carefully against the existing part, plumbing size, equipment model, and service diagram before installation. A fresh cartridge can improve circulation, reduce strain on the pump, and help keep water clearer when paired with proper cleaning and chemistry.\u003c\/p\u003e\u003cp\u003eBefore ordering, compare all printed cartridge codes and physical dimensions to the filter being replaced. Many cartridges look similar, but small differences in end caps, thread style, opening size, or overall length can affect fit. Replace worn, collapsed, cracked, or heavily soiled cartridges promptly to maintain efficient filtration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine or listed Pleatco Filters replacement option for Filters applications\u003c\/li\u003e\n\u003cli\u003eCompare cartridge length, diameter, end caps, core, and cross-reference numbers before ordering\u003c\/li\u003e\n\u003cli\u003eUseful for repair, rebuild, routine maintenance, or replacement service\u003c\/li\u003e\n\u003cli\u003eCompare size, voltage, color, connection type, and model details before ordering\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended whenever electrical, gas, pressure, or code-sensitive work is involved\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pleatco Filters","offers":[{"title":"Default Title","offer_id":45017407750299,"sku":"PSR100","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/17-775-1685_XL.jpg?v=1717122374"},{"product_id":"pwwpc150b","title":"Pleatco PWWPC150B C-8416 FC-2576 Spa\/Pool Filter Cartridge","description":"\u003cp\u003ePleatco PWWPC150B C-8416 FC-2576 Spa\/Pool Filter Cartridge is a replacement spa or pool filter cartridge from Pleatco Filters designed to help restore clean water flow through compatible filtration systems. It is suited for maintenance replacements where the cartridge model, cross-reference number, length, diameter, end-cap style, and core design need to match the existing filter.  Match the item carefully against the existing part, plumbing size, equipment model, and service diagram before installation. A fresh cartridge can improve circulation, reduce strain on the pump, and help keep water clearer when paired with proper cleaning and chemistry.\u003c\/p\u003e\u003cp\u003eBefore ordering, compare all printed cartridge codes and physical dimensions to the filter being replaced. Many cartridges look similar, but small differences in end caps, thread style, opening size, or overall length can affect fit. Replace worn, collapsed, cracked, or heavily soiled cartridges promptly to maintain efficient filtration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine or listed Pleatco Filters replacement option for Filters applications\u003c\/li\u003e\n\u003cli\u003eCompare cartridge length, diameter, end caps, core, and cross-reference numbers before ordering\u003c\/li\u003e\n\u003cli\u003eUseful for repair, rebuild, routine maintenance, or replacement service\u003c\/li\u003e\n\u003cli\u003eCompare size, voltage, color, connection type, and model details before ordering\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended whenever electrical, gas, pressure, or code-sensitive work is involved\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pleatco Filters","offers":[{"title":"Default Title","offer_id":45017408045211,"sku":"PWWPC150B","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/17-175-1700_XL.jpg?v=1717122379"},{"product_id":"psr135","title":"Pleatco PSR135 FC-2560 Spa\/Pool Filter Cartridge","description":"\u003cp\u003ePleatco PSR135 FC-2560 Spa\/Pool Filter Cartridge is a replacement spa or pool filter cartridge from Pleatco Filters designed to help restore clean water flow through compatible filtration systems. It is suited for maintenance replacements where the cartridge model, cross-reference number, length, diameter, end-cap style, and core design need to match the existing filter.  Match the item carefully against the existing part, plumbing size, equipment model, and service diagram before installation. A fresh cartridge can improve circulation, reduce strain on the pump, and help keep water clearer when paired with proper cleaning and chemistry.\u003c\/p\u003e\u003cp\u003eBefore ordering, compare all printed cartridge codes and physical dimensions to the filter being replaced. Many cartridges look similar, but small differences in end caps, thread style, opening size, or overall length can affect fit. Replace worn, collapsed, cracked, or heavily soiled cartridges promptly to maintain efficient filtration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine or listed Pleatco Filters replacement option for Filters applications\u003c\/li\u003e\n\u003cli\u003eCompare cartridge length, diameter, end caps, core, and cross-reference numbers before ordering\u003c\/li\u003e\n\u003cli\u003eUseful for repair, rebuild, routine maintenance, or replacement service\u003c\/li\u003e\n\u003cli\u003eCompare size, voltage, color, connection type, and model details before ordering\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended whenever electrical, gas, pressure, or code-sensitive work is involved\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pleatco Filters","offers":[{"title":"Default Title","offer_id":45017408733339,"sku":"PSR135","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/17-775-1690_XL.jpg?v=1717122393"},{"product_id":"81351","title":"Darlly 81351 FC-2560  PSR135 PSR135-4 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eA spa or pool filter cartridge provides the filtering surface that helps remove suspended debris during everyday circulation, and this Darlly Filtration cartridge is designed for compatible applications using the 81351 reference. When the cartridge media becomes dirty, worn, or unreliable, the system can no longer maintain the filtration support it should.\u003c\/p\u003e\n\u003cp\u003eThe application-specific reference gives this cartridge practical value because the best replacement results come from matching the cartridge to the correct housing and filter family. A properly selected replacement helps restore intended filtration performance and contributes to cleaner ongoing maintenance.\u003c\/p\u003e\n\u003cp\u003eThis kind of replacement is especially useful when the filter body remains serviceable and the need is centered on the cartridge itself. That keeps upkeep focused and efficient.\u003c\/p\u003e\n\u003cp\u003eInstalled in the proper setup, this filter cartridge helps restore dependable water filtration and contributes to cleaner system performance overall.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFilter cartridge for compatible spa and pool applications using the 81351 reference\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable system filtration\u003c\/li\u003e\n\u003cli\u003eUseful when original cartridges are worn or spent\u003c\/li\u003e\n\u003cli\u003eSupports cleaner maintenance and circulation\u003c\/li\u003e\n\u003cli\u003eImproves filtration confidence and service quality\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Darlly Filtration","offers":[{"title":"Default Title","offer_id":45082202079387,"sku":"81351","price":148.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/17-777-1690_XL.jpg?v=1718158665"},{"product_id":"81372","title":"Darlly 81372 FC-2570 UHD-SR137 PSR137 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eA spa or pool filter cartridge helps maintain cleaner circulating water by capturing suspended debris inside the filter housing, and this Darlly Filtration cartridge is designed for compatible applications using the 81372 reference. When the original cartridge becomes loaded, restricted, or less effective, the filtration system can feel less dependable than it should.\u003c\/p\u003e\n\u003cp\u003eThe model reference gives this cartridge practical value because filter service is most reliable when the replacement matches the intended application family. A properly selected replacement helps restore intended filtration support and contributes to cleaner, more predictable upkeep.\u003c\/p\u003e\n\u003cp\u003eThis type of replacement is especially useful when the canister remains serviceable and the cartridge itself is the primary service item. That keeps routine maintenance direct and cost-conscious.\u003c\/p\u003e\n\u003cp\u003eInstalled in the proper setup, this filter cartridge helps restore dependable debris capture and contributes to cleaner water overall.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFilter cartridge for compatible spa and pool applications using the 81372 reference\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable filtration performance\u003c\/li\u003e\n\u003cli\u003eUseful when original cartridges are clogged or worn\u003c\/li\u003e\n\u003cli\u003eSupports cleaner maintenance planning\u003c\/li\u003e\n\u003cli\u003eImproves water-care confidence and service quality\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Darlly Filtration","offers":[{"title":"Default Title","offer_id":45082202112155,"sku":"81372","price":148.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/17-777-1691_XL.jpg?v=1718158666"},{"product_id":"81504","title":"Darlly 81504 FC-2576 C-8416 Spa\/Pool Spa\/Pool Filter Cartridge","description":"\u003cp\u003eA spa or pool filter cartridge helps maintain cleaner circulating water by trapping suspended debris within the system, and this Darlly cartridge is designed for compatible applications using the C-8416 reference. When the original cartridge becomes loaded or worn, the water-care system can lose the steady filtration support it should provide.\u003c\/p\u003e\n\u003cp\u003eThe spa-and-pool compatibility gives this cartridge practical value because some cartridge sizes serve multiple system types while still requiring the correct reference match. A properly selected replacement helps restore intended filtration performance and contributes to more consistent routine upkeep.\u003c\/p\u003e\n\u003cp\u003eThis type of replacement is especially useful when the filter housing remains serviceable and the cartridge itself is the primary maintenance item. That keeps service targeted and straightforward.\u003c\/p\u003e\n\u003cp\u003eInstalled in the proper setup, this filter cartridge helps restore dependable debris capture and contributes to cleaner water care overall.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFilter cartridge for compatible spa and pool applications using the C-8416 reference\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable system filtration\u003c\/li\u003e\n\u003cli\u003eUseful when original cartridges are worn or spent\u003c\/li\u003e\n\u003cli\u003eSupports cleaner maintenance and circulation\u003c\/li\u003e\n\u003cli\u003eImproves water-care confidence and service quality\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Darlly Filtration","offers":[{"title":"Default Title","offer_id":45082203619483,"sku":"81504","price":136.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/17-777-1700_XL.jpg?v=1718158716"},{"product_id":"80506","title":"Darlly 80506 FC-2530 UHD-SR50 PSR50-4\/PSR50 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eA spa or pool filter cartridge helps keep circulating water cleaner by capturing suspended debris within the filter housing, and this Darlly Filtration cartridge is designed for compatible applications using the 80506 reference. When a cartridge becomes worn, dirty, or unreliable, the system can lose the steady filtration support it should provide.\u003c\/p\u003e\n\u003cp\u003eThe specific reference gives this cartridge practical value because the right replacement depends on matching the filter to its intended application family. A properly selected replacement helps restore intended filtration performance and contributes to a cleaner, more dependable service cycle.\u003c\/p\u003e\n\u003cp\u003eThis kind of replacement is especially useful when the filter body remains serviceable and only the cartridge itself needs to be renewed. That keeps maintenance focused and efficient.\u003c\/p\u003e\n\u003cp\u003eInstalled in the proper setup, this filter cartridge helps restore dependable system filtration and contributes to cleaner water overall.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFilter cartridge for compatible spa and pool applications using the 80506 reference\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable filtration performance\u003c\/li\u003e\n\u003cli\u003eUseful when original cartridges are worn or spent\u003c\/li\u003e\n\u003cli\u003eSupports cleaner maintenance planning\u003c\/li\u003e\n\u003cli\u003eImproves filtration confidence and service quality\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Darlly Filtration","offers":[{"title":"Default Title","offer_id":45082206371995,"sku":"80506","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/17-777-1675_XL.jpg?v=1718158814"},{"product_id":"80701","title":"Darlly 80701 FC-2540 FC-2551 PSR70 PSR70-4 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eA spa or pool filter cartridge helps maintain cleaner circulating water by trapping suspended debris during routine operation, and this Darlly Filtration cartridge is designed for compatible applications using the 80701 reference. When the cartridge media becomes loaded or less effective, the filtration system can feel less dependable than it should.\u003c\/p\u003e\n\u003cp\u003eThe model reference gives this cartridge practical value because accurate replacement depends on matching the filter to the original application family and housing. A properly selected replacement helps restore intended filtration support and contributes to cleaner, more reliable upkeep.\u003c\/p\u003e\n\u003cp\u003eThis type of replacement is especially useful when the filter body remains serviceable and the cartridge itself is the main wear item. That keeps maintenance direct and efficient.\u003c\/p\u003e\n\u003cp\u003eInstalled in the proper setup, this filter cartridge helps restore dependable water filtration and contributes to cleaner system performance overall.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFilter cartridge for compatible spa and pool applications using the 80701 reference\u003c\/li\u003e\n\u003cli\u003eHelps restore dependable system filtration\u003c\/li\u003e\n\u003cli\u003eUseful when original cartridges are clogged or worn\u003c\/li\u003e\n\u003cli\u003eSupports cleaner maintenance and circulation\u003c\/li\u003e\n\u003cli\u003eImproves water-care confidence and service quality\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Darlly Filtration","offers":[{"title":"Default Title","offer_id":45082206863515,"sku":"80701","price":66.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/17-777-1680_XL.jpg?v=1718158834"},{"product_id":"81003","title":"Darlly 81003 FC-2550 PSR100 PSR100-4 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eThe Darlly 81003 filter cartridge is designed for compatible filtration applications and offers 102 square feet of filtration area with 4-3\/16 inch top and bottom openings, 8-11\/16 inch diameter, and 25-11\/16 inch length. A cartridge like this is useful because it helps restore filter performance while preserving the original dimensional fit used by the equipment.\u003c\/p\u003e\u003cp\u003eMatching cartridge dimensions carefully can help avoid fitment issues and support a cleaner installation. This Darlly cartridge is especially useful when the original 102 square foot filter element with these exact end and body dimensions needs a direct-compatible replacement.\u003c\/p\u003e\u003cp\u003eFor compatible filter maintenance, this Darlly cartridge is a practical replacement when the original 102 square foot filter element needs renewal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDarlly filter cartridge\u003c\/li\u003e\n\u003cli\u003e102 square feet of filtration area\u003c\/li\u003e\n\u003cli\u003e4-3\/16 inch top and bottom openings\u003c\/li\u003e\n\u003cli\u003e8-11\/16 inch diameter and 25-11\/16 inch length\u003c\/li\u003e\n\u003cli\u003eUseful for filter replacement and maintenance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Darlly Filtration","offers":[{"title":"Default Title","offer_id":48495574122651,"sku":"81003","price":91.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/17-777-1685_XL.jpg?v=1777941582"},{"product_id":"70507","title":"Darlly 70507 FC-2580 C-7652 PPC50 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eThe Darlly 70507 filter cartridge is built for compatible filtration systems that require 50 square feet of media with 3 inch top and bottom openings. Its 7 inch diameter and 19-3\/8 inch length make it a longer cartridge option for systems that need a slim body paired with matching end dimensions and a more extended profile.\u003c\/p\u003e\u003cp\u003eLonger cartridges in this size range can be especially useful where the filter housing is designed to take advantage of added length without increasing body width. By matching the original top and bottom openings, this cartridge helps support easier installation and more reliable fit while restoring filtration performance after the previous element has worn out.\u003c\/p\u003e\u003cp\u003eThe Darlly 70507 is a strong replacement choice for buyers who need a 50 square foot cartridge with 3 inch top and bottom openings in a narrow, longer format.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDarlly replacement filter cartridge\u003c\/li\u003e\n\u003cli\u003e50 square feet of filtration area\u003c\/li\u003e\n\u003cli\u003e3 inch top and bottom openings\u003c\/li\u003e\n\u003cli\u003e7 inch diameter x 19-3\/8 inch length\u003c\/li\u003e\n\u003cli\u003eUseful for compatible long-body filter applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Darlly Filtration","offers":[{"title":"Default Title","offer_id":48495575826587,"sku":"70507","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/17-777-1705_XL.jpg?v=1777941641"}],"url":"https:\/\/www.bathandspaparts.com\/collections\/filbur-filters-for-pentair-sta-rite-products.oembed","provider":"Bath and Spa Parts Online","version":"1.0","type":"link"}