Unicel C-7470-4 Pool Filter Cartridge Set (4 Pack) Jandy chemical balancing

chemical balancing

and dump the contents

debris exposure

Also commonly listed for the Polaris P39 pressure-side pool cleaner

What a Vac Lock Does

Unicel C-7470-4 Pool Filter Cartridge Set (4 Pack) Jandy chemical balancingThe Unicel C 7470 4 Filter Cartridges (4 Pack) is a complete replacement set designed to restore proper filtration performance in Pentair Clean & Clear Plus 320 and Waterway Crystal Water 325 pool filter systems. Each cartridge provides 80 square feet of filtration area, delivering a combined 320 sq. ft. total when installed as a full set. Cartridge filters gradually become loaded with oils, fine debris, and contaminants that cannot be fully removed