This is an o-ring replacement designed to replace Pentair o-ring R172223. This o-ring fits Dynamic Series 1 In-line Cartridge Filters, Chlorine/Bromine Dispensers, Top Load In-Line Cartridge Filterment Lid to Housing, Chlorine/Bromine Dispenser, and Top Load In-Line Cartridge Filters.
This o-ring is identical to these part numbers: O-330, Baker Hydro 17B1087, Jacuzzi 47036009R, Jandy R0558800, Leisure Bay 001135,Lomart/Prest Metal 53200, Pentair/American 39200300, Pentair/Rainbow R172223, R172240, Sta-Rite/Swimquip 1692012, Waterway 8050360.
