In The Swim Standard Pool Filter Cartridge 4-Pack Replacement

In this review the In The Swim Standard Replacement Filter Cartridge 4-Pack is judged on fit, filtration performance, and value for homeowners who maintain a Pentair Clean & Clear Plus 420 pool filter. The bottom line: these cartridges are a practical, low-effort replacement option for anyone who needs to restore water clarity without paying OEM prices. They meet or exceed original specifications, resist chemical breakdown, and are simple to install, making them a sensible choice for routine seasonal maintenance or mid-season swaps.

Key Features

• OEM fit and finish: Each cartridge is manufactured to meet or exceed the original equipment specifications so it installs and seals like the factory part.
• Four-pack value: The 4-pack provides enough cartridges to service a Pentair CCP420 for multiple changes over the season, reducing per-filter cost.
• Cross-compatible: Compatible with Pleatco PCC105, Unicel C-7471, and Filbur FC-1977 which simplifies sourcing replacements across brands.
• Chemical resistance: The media and housing resist cracking and chemical deterioration so the filters maintain integrity during normal pool chemical use.
• Effective debris capture: The pleated design traps dirt and debris efficiently, helping restore and keep water clear with minimal maintenance effort.

Who It's For

The 4-pack is best for pool owners who run a Pentair Clean & Clear Plus 420 and want a cost-effective, direct replacement that performs to OEM expectations. It is well suited to DIYers who prefer a quick install and minimal fuss during seasonal filter changes and for anyone who values clear water without frequent troubleshooting.

Those who should look elsewhere include owners seeking a premium, aftermarket high-capacity cartridge with unique media or specialty coatings not mentioned here, and users who need a one-off custom size cartridge outside the CCP420 family.

Pros & Cons

Pros

• Good value: the 4-pack lowers per-filter cost for regular maintenance.
• Reliable fit: installs cleanly in the Pentair CCP420 and compatible housings.
• Durable under normal use: resistive to cracking and common pool chemicals.
• Effective filtration: customers report improved water clarity after installation.

Cons

• Mixed build quality reports: most last a season but there are occasional reports of broken units on arrival.
• Not a specialty media filter: no claim of enhanced micron ratings or extended surface area beyond OEM equivalence.

Specifications

Product type	Replacement pool filter cartridge 4-pack
Designed for	Pentair Clean & Clear Plus 420 (CCP420)
Compatibility	Pleatco PCC105, Unicel C-7471, Filbur FC-1977
Durability	Resistant to cracking and chemical deterioration
Pack size	4 cartridges
Primary benefit	Restores pool water clarity with minimal effort

Our Verdict

The In The Swim 4-pack is a practical, cost-conscious replacement for Pentair CCP420 owners who need reliable filtration and straightforward installation. Given its OEM-level fit, chemical resistance, and positive reports on water clarity, it represents good value for routine maintenance, though buyers should inspect on arrival due to occasional build-quality issues.

Frequently Asked Questions

Are these cartridges compatible with other brands?
Yes, they are listed as compatible with Pleatco PCC105, Unicel C-7471, and Filbur FC-1977.

How many cartridges come in the pack?
The product is sold as a 4-pack, providing multiple replacements for seasonal use.

Do they resist pool chemicals?
The filters are described as resistant to cracking and chemical deterioration under normal pool conditions.