Hurricane HF747104 4 Pack Cartridge Filters for Pentair Clean and Clear 420 520 air release tee whether you’re a devoted pool

whether you’re a devoted pool pro or a weekend DIY swimmer

chemical-resistant construction built to withstand chlorine

reduced hose wear

Using a combined formula with Chitosan Clarifier to maximize its performance

and daily debris

Hurricane HF747104 4 Pack Cartridge Filters for Pentair Clean and Clear 420 520 air release tee whether you’re a devoted poolHurricane HF7471 04 4 Pack Cartridge Filters for Pentair Clean & Clear 420 520 Intro The Hurricane HF7471 04 4 pack cartridge filters replace a range of common pool systems, including Pentair Clean & Clear Plus 420 and 520 (pre 1998), American Quantum CM and RPM 125 500, and Waterway Crystal Water 425. Theyre designed to fit those models and other compatible units, with identical form and performance to Unicel C 7471, Pleatco PCC105, and Filbur FC