In The Swim Standard Pool Filter Cartridge 4-Pack - Reliable CCP520

Our review of the In The Swim Standard Replacement Filter Cartridge 4-Pack answers whether these aftermarket cartridges are a sensible swap for the Pentair Clean & Clear Plus 520. In short, this set is aimed at pool owners who want an affordable, OEM-equivalent replacement that filters well and resists chemical wear. The biggest reason to buy is straightforward: these cartridges are built to meet or exceed OEM specifications and are compatible with several common cross-reference models, so users looking to restore clear pool water with minimal fuss will appreciate the balance of fit, durability, and value.

Key Features

• OEM-equivalent construction: Each cartridge is crafted to meet or exceed the original manufacturer specifications, ensuring consistent filtration performance.
• Cross-compatible fit: Works as a compatible replacement for Pleatco PCC130, Unicel C-7472, and Filbur FC-1978, reducing the need to hunt for a specific part number.
• Chemical-resistant materials: The filter media and end caps are made to resist chemical deterioration so the cartridges hold up through a season of normal pool treatment.
• Crack-resistant design: Durable construction minimizes the risk of cracking during installation and removal, making maintenance easier.
• Four-pack value: Supplying four cartridges at once helps ensure users have fresh filters ready to rotate for effective year-round clarity.

Who It's For

The 4-pack is best for homeowners with a Pentair Clean & Clear Plus 520 who want a straightforward replacement that matches OEM form and function without paying a premium. It is also a practical choice for service techs and pool owners who prefer to keep spare cartridges on hand to avoid downtime.

Those who should look elsewhere include owners who require branded OEM warranties bundled with the cartridge or pools using non-compatible filter models. If you need specialized media or a nonstandard size, choose a filter specified for that system rather than a cross-compatible aftermarket option.

Pros & Cons

Pros

• Meets or exceeds OEM specifications for reliable filtration and clear water.
• Cross-compatible with Pleatco PCC130, Unicel C-7472, and Filbur FC-1978 for easy sourcing.
• Resistant to cracking and chemical deterioration, improving longevity and ease of use.

Cons

• Aftermarket variations mean some users report differing lifespans versus original branded cartridges.

Specifications

Our Verdict

The In The Swim 4-pack is a pragmatic replacement for the Pentair Clean & Clear Plus 520: it offers OEM-level fit, cross-compatibility, and materials that resist chemical wear, making it good value for routine pool upkeep. Pool owners who want dependable filtration and the convenience of spares on hand should consider this set; those needing OEM warranty coverage or a specialty media cartridge may prefer other options.

Frequently Asked Questions

Are these cartridges compatible with my Pellantair Clean & Clear 520?
Yes, they are designed specifically as replacements for the Pentair Clean & Clear Plus 520 and are a direct fit for that model.

How long will each cartridge last?
Longevity depends on pool usage and maintenance, but customers commonly report a full season of service when maintained properly.

Can I use these instead of Pleatco or Unicel branded cartridges?
Yes, they are cross-compatible with Pleatco PCC130 and Unicel C-7472, offering a cost-effective alternative to branded equivalents.