HF9481-01 Advanced Spa Filter Replacement for Pleatco PJ120 and Unicel C-9481 ORP monitor because it must be used

because it must be used in conjunction with halogen based pool sanitizers

and regular maintenance

and sun ledges in one pass

The Hayward Navigator Pro Automatic Suction Cleaner delivers hands-off cleaning for vinyl pools

HF9481-01 Advanced Spa Filter Replacement for Pleatco PJ120 and Unicel C-9481 ORP monitor because it must be usedHF9481 01 Advanced Spa Filter Replacement for Pleatco PJ120 and Unicel C 9481 The HF9481 01 Advanced Spa Filter is a USA made replacement cartridge designed to restore filtration performance in your spa or hot tub. It directly replaces Pleatco PJ120, Unicel C 9481, Filbur FC 1401, and Jacuzzi Bros 42 3675 08 R. The cartridge features precise dimensions20. 0625 inches long and 10 inches in outer diameterwith a top handle and a bottom 6 inch hole for