Pentair Spa/Pool Replacement Filter Cartridge (R173576) cords this spring check valve helps

this spring check valve helps restore dependable one-way water control and contributes to better overall plumbing reliability

That brand recognition also helps these products sell

this barrel helps restore a more dynamic water pattern and gives the seat a fresher

A faceplate like this is useful because it restores the front interface of the volute housing

Pentair Spa/Pool Replacement Filter Cartridge (R173576) cords this spring check valve helpsThe Pentair R173576 replacement filter cartridge is designed for compatible spa and pool systems where the filter media element needs replacement. A cartridge like this is useful because it helps remove suspended debris from circulating water, which is central to maintaining water clarity and cleaner system performance. Replacement is often needed when the original cartridge is worn at the pleats, no longer cleaning up properly, or causing reduced