Darlly 40254 [PA225] C-4312 C-4320 FC-0640 FC-0645 Filter Cartridge

Filters
Darlly Filtration
40254
17-777-1035
FC-0640, FC-0645, FC-1210, FC-1220
C-4312, C-4320, C-4325
11204
11204, 12003, 12501, 12510, 46114, 4900-23, 4904-002, 57010200, 57010500, 609480, 645544012203, AK-3007, AK-3008, AK-3010, C-4312, C-4320, C-4325, CX120-RE, CX200-RE, CX225-RE, FC-0640, FC-0645, FC-1210, FC-1220, P-4325, PA225-4, PC-1220, PLE-051-9203, PLE-051-9273, PLE-051-9289, SC755, SC821, UNIC4325
Open
2-1/16"
Open
2-1/16"
11-7/8"
25
4-5/8"
American Products/Pentair, Apollo Spas, Emerald Spas, Hayward, Sonoma Spas
COMPARE AT $40.22
OUR PRICE $31.75
STOCK STATUS IN STOCK Ships Usually the Same/Next Business Day
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Under 25 lbs. Contiguous USA
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Darlly 40254 [PA225] C-4312 C-4320 FC-0640 FC-0645 Filter Cartridge from Darlly Filtration is a replacement part for the filtration system and is best used when the original component is missing, worn, leaking, cracked, corroded, or no longer functioning as intended. This replacement cartridge helps restore filtration performance by capturing debris as water passes through the filter. It is intended for compatible spa and pool filter housings where cartridge dimensions and cross-reference numbers match. Key specifications from the listing include PA225, which should be compared against the existing part before ordering. Because pool and spa parts often vary by model year, plumbing size, voltage, horsepower, color, or connection style, confirm the part number and visible dimensions against your existing equipment before installation. This item is a practical choice for technicians, service companies, and homeowners who want to keep compatible equipment operating correctly while replacing only the specific component needed.

  • Replacement part for compatible Darlly Filtration applications and related pool, spa, or bath equipment.
  • Helps support water flow, debris capture, and routine service when the original part is worn, damaged, or due for service.
  • Verify part number , model compatibility, size, color, voltage, or connection details before ordering.
  • Useful for repair work focused on restoring equipment function without replacing a larger assembly.
  • Recommended for maintenance situations where fit, seal, flow, control, or component alignment is important.
Darlly Filtration – Pool & Spa Filter Cartridges and Replacement Filters
Who is Aladdin Equipment?

Darlly Filtration is a global leader in the manufacturing of pool and spa filter cartridges, known for producing high-quality, OEM-compatible replacement filters. With advanced engineering and large-scale production capabilities, Darlly supplies filters used by major brands worldwide. Their reputation for consistency, performance, and value has made them a trusted choice for both residential and commercial pool and spa owners.

What products does Aladdin Equipment specialize in?

Darlly specializes in filter cartridges and replacement filters for pools, spas, and hot tubs. Their product lineup includes pleated filter cartridges designed to capture fine debris, dirt, and contaminants while maintaining optimal water flow. Darlly filters are available in a wide range of sizes and configurations, making them compatible with many leading equipment brands.

Why choose Aladdin Equipment parts for your pool or spa?

Darlly filters are known for high filtration efficiency, durability, and cost-effective performance. Their cartridges are engineered to provide excellent water clarity while extending filter life and reducing maintenance frequency. Customers choose Darlly for reliable replacement filters that offer a strong balance of quality, compatibility, and value.

How do you identify and choose the correct Aladdin Equipment part?

To select the correct Darlly filter, it’s important to match your existing cartridge’s dimensions, including length, diameter, and top/bottom configuration. Cross-referencing part numbers or filter model compatibility ensures proper fit and performance. You can use our FILTER FINDER to help you find the proper filter in minutes. Choosing the correct filter helps maintain water clarity, improve system efficiency, and protect pool and spa equipment.

Need help finding the right Aladdin Equipment part?

At Bath & Spa Parts Online, we carry a wide selection of Aladdin Equipment pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.

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