HF4401-02 Advanced Spa Filter Cartridge - Replacement for Pleatco Prb17.5SF, Unicel C-4401 Filbur FC-2386, Dynamic Series IV - Model DSF35 Temp Sensor NOTE: Algae must be treated Hayward 9991459-R1 Model Options:CX100B (C100S) Closed impeller for longer

NOTE: Algae must be treated prior to testing and treating phosphates

Crosswind V includes two built-in auxiliary dry-contact ports for pool accessories

Jandy On | Off Switch for LRZ Heaters

Available for natural gas or propane

Genuine Raypak High Limit Manual Reset (2)

HF4401 02 Advanced Spa Filter Cartridge Replacement for Pleatco Prb17.5SF, Unicel C 4401 Filbur FC 2386, Dynamic Series IV Model DSF35 Temp Sensor NOTE: Algae must be treated Hayward 9991459 R1 Model Options:CX100B (C100S) Closed impeller for longer NOTE: Algae must be treated prior to testing and treating phosphates Crosswind V includes two built in auxiliary dry contact ports for pool accessories