Smart Spa Supply Hot Springs Replacement for Free Flow, Aquaterra, others Spa Filter Cartridges, 50 sq ft - 4 pack

Hot Springs Spa filters by Smart Spa Supply are a vital part of any spa system. Spa filters regulate the water that enters your spa and keep debris, dirt, and other items from floating into the pipes and damaging the pump and inner workings of your hot tub.

50 sq. ft replacement cartridge.

5 1/4" diameter

9 3/8" long

Closed top with string loop

1 1/2" MPT (standard threads).

Replaces PFF42TC-P4, FC-2402, 5CH-37, ACT-50SQFILTER &  LSX1057 ; OEMs: AK-4301 303279 AQUAAK-4301 HSAK-4301