CCP420 Pool Filter Cartridge 26in x 7in - NSF Certified Replacement

In this review the CCP420 Pool Filter Cartridge is evaluated as a direct replacement cartridge for common Pentair and Filbur models; it is best for pool owners who need a certified, fabric-based cartridge that balances filtration performance with low maintenance. The single biggest reason to buy is the NSF/ANSI 50 certification combined with a high-performance trilobal filtration fabric that increases dirt-holding capacity without a matching pressure penalty. The review focuses on fit, material quality, and real-world maintenance expectations for residential pool and spa systems.

Key Features

• NSF/ANSI 50 certified: Certified safe materials mean the cartridge meets industry health and safety standards for pool and spa water treatment.
• Trilobal filtration fabric: The 4oz trilobal fabric captures more particles with 21-40% higher capacity compared with point-bond fabrics, reducing cleaning frequency.
• Robust dimensions: Sized 26in length by 7in outside diameter with 3in openings, it replaces many Pentair and Filbur models for a reliable fit.
• Reinforced construction: Thicker filtration fabric, chlorine-resistant end caps, and a reinforced center support improve durability under continued flow.
• High filtration area: With an effective 4X105 sq ft filtration area, the cartridge maintains flow while providing thorough filtration for medium to large residential systems.

Who It's For

This cartridge is ideal for homeowners who need a cost-effective, certified replacement for Pentair CCP420, Filbur FC-1977 series, or similar cartridges and who value easier cleaning cycles and reliable particle capture. It suits pool technicians and DIYers who prefer a drop-in compatible spare part that is independent of the original equipment manufacturer.

It is less suitable for commercial pools with unusually high bather loads where ultra-durable industrial cartridges are required, and buyers seeking an OEM-branded guarantee should consider original manufacturer options rather than a compatible third-party replacement.

Pros & Cons

Pros

• NSF/ANSI 50 certification provides assurance on material safety and suitability for pool water.
• Trilobal fabric increases dirt-holding capacity and reduces how often the cartridge needs cleaning.
• Reinforced end caps and center support improve resistance to chlorine and handling during maintenance.
• Compatible with a wide list of models, making it a convenient replacement option.

Cons

• Durability feedback is mixed, so lifespan may vary depending on pool chemical levels and maintenance habits.
• As a compatible replacement part, it does not carry the original manufacturer branding or warranty terms.

Specifications

Length	26 in
Outside Diameter	7 in
Top & Bottom Opening	3 in
Filtration Area	4X105 sq ft
Filter Material	4oz trilobal filtration fabric
Certification	NSF/ANSI 50
Compatible Models	Pentair CCP420, Filbur FC-1977, Unicel C-7471 and similar

Our Verdict

The CCP420 replacement cartridge delivers strong value for most residential pool owners who need a certified, fabric-based filter that performs like many name-brand cartridges at lower cost. Its NSF/ANSI 50 certification, reinforced build, and increased filtration capacity make it a smart choice for routine cartridge replacement, though actual longevity depends on water chemistry and maintenance frequency.

Frequently Asked Questions

Will this filter fit my CCP420 housing?
Yes, the cartridge is designed to match the CCP420 dimensions: 26 in length, 7 in OD and 3 in openings for top and bottom.

How often should the cartridge be cleaned?
Cleaning frequency varies by use, but the trilobal fabric holds more debris and typically requires less frequent cleaning than point-bond cartridges; inspect monthly and clean as needed.

Is this an original Pentair part?
No, this is a compatible replacement by an independent brand and uses the manufacturers' model numbers for reference only.