Pool Frog Inground Mineral Reservoir Size:1 Cartridge Its 22-inch head uses PBT

Its 22-inch head uses PBT (polybutylene) bristles that deliver a stronger

Pleatco filters will reduce the water pressure and increase flow rate

maintain strong suction

which makes water balancing much easier and hassle-free as well as improving the effectiveness of any pool chemicals

Unaffected by chlorine and effective at all pH values

Pool Frog Inground Mineral Reservoir Size:1 Cartridge Its 22-inch head uses PBTPool Frog's Inground Mineral Reservoir 01 12 5462 gives pool owners a way to dramatically reduce their chlorine consumption with an all natural solution, without compromising the cleanliness or health of the pool environment. Inground Mineral Reservoir's patented cartridge design utilizes natural minerals to kill bacteria and other organic compounds, and will greatly reduce common chlorine side effects, such as swimsuit discoloration, skin and eye