Pentair Spa/Pool Replacement Filter Cartridge (R173216) nutsboltsscrews and 115 or 230 volt

and 115 or 230 volt compatibility

or no longer properly matched to the supported 1

A skimmer collar is useful because it helps define and support the relationship between the skimmer body and the surrounding opening or upper assembly area

this ball valve helps support dependable shutoff performance and stronger long-term plumbing usability

The 3/4 inch format gives this part practical value because flow-sensing components work best when the replacement matches the original plumbing and control relationship closely

Pentair Spa/Pool Replacement Filter Cartridge (R173216) nutsboltsscrews and 115 or 230 voltThe Pentair R173216 replacement filter cartridge is intended for compatible spa and pool filtration applications where the cartridge element needs renewal. A cartridge like this is useful because it serves as the main filtering medium inside the housing, helping trap debris while supporting circulation quality. This replacement is often chosen when the original cartridge is heavily loaded, damaged, softened by age, or no longer filtering effectively