Pentair Spa/Pool Replacement Filter Cartridge (R173576) cords A faceplate like this is

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

the whole spa can feel older and less polished than it really is

Ensures proper fitment

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

The 25554-400-000 is a practical service part when a compatible pool return line needs a wall fitting to restore dependable return-flow support

Pentair Spa/Pool Replacement Filter Cartridge (R173576) cords A faceplate like this isThe 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