Unicel 5000 Series 37.5 sq. ft. Replacement Filter Cartridge | 5CH-37 Pumps The set comes with 2

The set comes with 2 of inflatable battle boards

Curved design makes cleaning corners and contours easy

The ignition control module manages the ignition sequence and monitors the burner flame signal on MasterTemp and Max-E-Therm gas heaters

When replacing the top manifold

Reemay 2033 Pleat Count 199 Top Cap: 1-1/2" male slip fitting

Unicel 5000 Series 37.5 sq. ft. Replacement Filter Cartridge | 5CH-37 Pumps The set comes with 2The Unicel 5000 Series 5CH 37 delivers 37. 5 sq. ft. of filtration surface across 221 tightly packed pleats of 3 oz. Reemay 2033 polyester media engineered as a direct fit replacement for Aquaterra and Hot Springs spa filter systems. The compact 9" length and 5 5 16" outer diameter slot precisely into the filter housing, and the 1 1 2" MPT threaded bottom cap locks in without adapters. IMPORTANT: CAP DESIGN DIFFERS FROM ORIGINAL The original Aquaterra