{"title":"Filbur Pool \u0026 Spa Filters For Marquis Spas","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-3076","title":"Filbur FC-3076 C-3608 PS9-4 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eThe Filbur FC-3076 C-3608 PS9-4 Spa\/Pool Filter Cartridge is a replacement spa and pool filter cartridge from Filbur Manufacturing, selected for customers who need a clean, dependable cartridge for routine water filtration service. It is listed with the reference identifiers C-3608 PS9-4 to help match existing cartridges, filter labels, and cross-reference notes during replacement. This cartridge is a practical replacement option when the current filter is worn, stained, crushed, or no longer rinses clean after normal maintenance.\u003c\/p\u003e\u003cp\u003eUse this cartridge as part of a regular filter maintenance schedule to support better water clarity, improved debris capture, and more consistent flow through the filtration system. Before ordering, compare the part number, length, outside diameter, inside diameter or opening size, end-cap style, and any printed cross-reference numbers on your existing cartridge. Proper fit is important for sealing, circulation, and overall filtration performance.\u003c\/p\u003e\u003cp\u003eThis item is best suited for pool and spa owners, service technicians, and maintenance teams replacing an existing cartridge with a matching Filbur model. Always clean the filter area before installation, seat the cartridge fully, and follow the equipment manufacturer's maintenance guidance for rinse intervals, chemical balance, and replacement timing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFilbur replacement filter cartridge FC-3076 for compatible spa and pool filter applications\u003c\/li\u003e\n\u003cli\u003eHelps trap debris and support clear water when installed in the correct filter housing\u003c\/li\u003e\n\u003cli\u003eUseful for routine maintenance, seasonal replacement, or restoring filtration after a worn cartridge\u003c\/li\u003e\n\u003cli\u003eCompare all dimensions, end-cap style, and cross-reference numbers before ordering\u003c\/li\u003e\n\u003cli\u003eDesigned for easy cartridge replacement during normal pool or spa service\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":28243875920,"sku":"FC-3076","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/17-175-1015_xl.jpg?v=1486185604"},{"product_id":"fc-3623","title":"Filbur FC-3623 C-5423 PPM35TC Spa\/Pool Filter Cartridge","description":"\u003cp\u003eThe Filbur FC-3623 C-5423 PPM35TC Spa\/Pool Filter Cartridge is a replacement spa and pool filter cartridge from Filbur Manufacturing, selected for customers who need a clean, dependable cartridge for routine water filtration service. It is listed with the reference identifiers C-5423 PPM35TC to help match existing cartridges, filter labels, and cross-reference notes during replacement. This cartridge is a practical replacement option when the current filter is worn, stained, crushed, or no longer rinses clean after normal maintenance.\u003c\/p\u003e\u003cp\u003eUse this cartridge as part of a regular filter maintenance schedule to support better water clarity, improved debris capture, and more consistent flow through the filtration system. Before ordering, compare the part number, length, outside diameter, inside diameter or opening size, end-cap style, and any printed cross-reference numbers on your existing cartridge. Proper fit is important for sealing, circulation, and overall filtration performance.\u003c\/p\u003e\u003cp\u003eThis item is best suited for pool and spa owners, service technicians, and maintenance teams replacing an existing cartridge with a matching Filbur model. Always clean the filter area before installation, seat the cartridge fully, and follow the equipment manufacturer's maintenance guidance for rinse intervals, chemical balance, and replacement timing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFilbur replacement filter cartridge FC-3623 for compatible spa and pool filter applications\u003c\/li\u003e\n\u003cli\u003eHelps trap debris and support clear water when installed in the correct filter housing\u003c\/li\u003e\n\u003cli\u003eUseful for routine maintenance, seasonal replacement, or restoring filtration after a worn cartridge\u003c\/li\u003e\n\u003cli\u003eCompare all dimensions, end-cap style, and cross-reference numbers before ordering\u003c\/li\u003e\n\u003cli\u003eDesigned for easy cartridge replacement during normal pool or spa service\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":28243900496,"sku":"FC-3623","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/17-175-1511_xl.jpg?v=1486185646"},{"product_id":"fc-3637","title":"Filbur FC-3637 C-5637 PPM40 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eThe Filbur FC-3637 C-5637 PPM40 Spa\/Pool Filter Cartridge is a replacement spa and pool filter cartridge from Filbur Manufacturing, selected for customers who need a clean, dependable cartridge for routine water filtration service. It is listed with the reference identifiers C-5637 PPM40 to help match existing cartridges, filter labels, and cross-reference notes during replacement. This cartridge is a practical replacement option when the current filter is worn, stained, crushed, or no longer rinses clean after normal maintenance.\u003c\/p\u003e\u003cp\u003eUse this cartridge as part of a regular filter maintenance schedule to support better water clarity, improved debris capture, and more consistent flow through the filtration system. Before ordering, compare the part number, length, outside diameter, inside diameter or opening size, end-cap style, and any printed cross-reference numbers on your existing cartridge. Proper fit is important for sealing, circulation, and overall filtration performance.\u003c\/p\u003e\u003cp\u003eThis item is best suited for pool and spa owners, service technicians, and maintenance teams replacing an existing cartridge with a matching Filbur model. Always clean the filter area before installation, seat the cartridge fully, and follow the equipment manufacturer's maintenance guidance for rinse intervals, chemical balance, and replacement timing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFilbur replacement filter cartridge FC-3637 for compatible spa and pool filter applications\u003c\/li\u003e\n\u003cli\u003eHelps trap debris and support clear water when installed in the correct filter housing\u003c\/li\u003e\n\u003cli\u003eUseful for routine maintenance, seasonal replacement, or restoring filtration after a worn cartridge\u003c\/li\u003e\n\u003cli\u003eCompare all dimensions, end-cap style, and cross-reference numbers before ordering\u003c\/li\u003e\n\u003cli\u003eDesigned for easy cartridge replacement during normal pool or spa service\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":28243905360,"sku":"FC-3637","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/c5637.jpg?v=1486185650"},{"product_id":"fc-5177","title":"Filbur FC-5177 C-7473 PJAN75 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eThe Filbur FC-5177 C-7473 PJAN75 Spa\/Pool Filter Cartridge is a replacement spa and pool filter cartridge from Filbur Manufacturing, selected for customers who need a clean, dependable cartridge for routine water filtration service. It is listed with the reference identifiers C-7473 PJAN75 to help match existing cartridges, filter labels, and cross-reference notes during replacement. This cartridge is a practical replacement option when the current filter is worn, stained, crushed, or no longer rinses clean after normal maintenance.\u003c\/p\u003e\u003cp\u003eUse this cartridge as part of a regular filter maintenance schedule to support better water clarity, improved debris capture, and more consistent flow through the filtration system. Before ordering, compare the part number, length, outside diameter, inside diameter or opening size, end-cap style, and any printed cross-reference numbers on your existing cartridge. Proper fit is important for sealing, circulation, and overall filtration performance.\u003c\/p\u003e\u003cp\u003eThis item is best suited for pool and spa owners, service technicians, and maintenance teams replacing an existing cartridge with a matching Filbur model. Always clean the filter area before installation, seat the cartridge fully, and follow the equipment manufacturer's maintenance guidance for rinse intervals, chemical balance, and replacement timing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFilbur replacement filter cartridge FC-5177 for compatible spa and pool filter applications\u003c\/li\u003e\n\u003cli\u003eHelps trap debris and support clear water when installed in the correct filter housing\u003c\/li\u003e\n\u003cli\u003eUseful for routine maintenance, seasonal replacement, or restoring filtration after a worn cartridge\u003c\/li\u003e\n\u003cli\u003eCompare all dimensions, end-cap style, and cross-reference numbers before ordering\u003c\/li\u003e\n\u003cli\u003eDesigned for easy cartridge replacement during normal pool or spa service\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":28243950288,"sku":"FC-5177","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/products\/17-175-2177_xl.jpg?v=1486185704"},{"product_id":"pjan100","title":"Pleatco PJAN100 FC-5177 FC-5180 C-7457 Filter Cartridge","description":"\u003cp\u003ePleatco PJAN100 FC-5177 FC-5180 C-7457 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":41290528915611,"sku":"PJAN100","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/BSPO_1201.jpg?v=1778992485"},{"product_id":"50401","title":"Darlly 50401 FC-3637 C-5637 PPM40 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eA replacement filter cartridge helps maintain the debris-trapping capacity the system was designed to have, and this Darlly cartridge is designed for compatible applications referencing FC-3637, C-5637, and PPM40. When a cartridge becomes restricted or worn out, filtration results can feel less reliable than they should.\u003c\/p\u003e\n\u003cp\u003eThe grouped part references give this cartridge practical value because filter matching is most dependable when based on recognized cartridge identifiers rather than general appearance alone. A properly selected replacement helps restore intended filtration media performance and contributes to cleaner maintenance intervals.\u003c\/p\u003e\n\u003cp\u003eThis kind of replacement is especially useful when the filter canister remains serviceable and only the cartridge needs renewal. That keeps service targeted and efficient.\u003c\/p\u003e\n\u003cp\u003eInstalled in the proper setup, this filter cartridge helps restore dependable debris capture and contributes to cleaner circulation overall.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFilter cartridge for compatible applications using FC-3637, C-5637, and PPM40 references\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 system maintenance\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":45082205520027,"sku":"50401","price":34.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/BSPO_0547.jpg?v=1778992175"},{"product_id":"c-7473","title":"Unicel C-7473 FC-5177 PJAN75 Spa\/Pool Filter Cartridge","description":"\u003cp\u003eThe Unicel filter cartridge is designed for compatible filtration applications where dependable water cleaning and suspended debris capture are needed. A filter cartridge is useful because it helps remove unwanted particles from circulating water, supporting clearer conditions and more consistent overall filtration performance.\u003c\/p\u003e\u003cp\u003eThis replacement is especially useful when the original cartridge is clogged, damaged, worn, or no longer maintaining proper flow and filtration efficiency. Matching the correct 75 square foot specification and dimensional profile helps preserve intended fit and restore dependable filtration support.\u003c\/p\u003e\u003cp\u003eThe C-7473 is a practical service part when a compatible filtration setup needs a cartridge to restore cleaner water flow and dependable performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUnicel filter cartridge\u003c\/li\u003e\n\u003cli\u003e75 square foot filtration capacity\u003c\/li\u003e\n\u003cli\u003eDesigned to match the listed dimensional profile\u003c\/li\u003e\n\u003cli\u003eUseful when the original cartridge is worn or clogged\u003c\/li\u003e\n\u003cli\u003eSupports cleaner and more dependable water filtration\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Unicel","offers":[{"title":"Default Title","offer_id":48472328175771,"sku":"C-7473","price":96.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/17-175-2820_XL.jpg?v=1777517565"}],"url":"https:\/\/www.bathandspaparts.com\/collections\/filbur-filters-for-marquis-spas.oembed","provider":"Bath and Spa Parts Online","version":"1.0","type":"link"}