Unicel C-7472-4 Replacement Filter Cartridge Set (4-Pack) for Pentair Clean & Clear Plus 520 & Waterway Crystal Water 525 | 125 Sq. Ft. Each | 32 1/16" Above Ground Pool Light Fixtures This product also helps to

This product also helps to remove metal stains and scale in older vinyl pools

replace the shaft seal at the same time — the seal plate and shaft seal are a matched interface

Order both kits before starting the job so you can replace all union seals in a single service visit

8 hours: 60

Stainless hardware is used for years of worry free use

Unicel C-7472-4 Replacement Filter Cartridge Set (4-Pack) for Pentair Clean & Clear Plus 520 & Waterway Crystal Water 525 | 125 Sq. Ft. Each | 32 1/16" Above Ground Pool Light Fixtures This product also helps toThe Unicel C 7472 4 is a complete four cartridge replacement set for the Pentair Clean & Clear Plus 520 (CCP520) and Waterway Crystal Water 525 filter systems. Each 7000 Series cartridge delivers 125 sq. ft. of filtration area 500 sq. ft. combined through 163 precision pleats of 4 oz. Reemay 2040 spun bonded polyester. One order covers your entire cartridge bank. Complete Service Pack 4 Cartridges Included This listing includes four (4) cartridges the