Unicel C-7370 Replacement Filter Cartridge for Sundance Spas 6540-483 | 75 Sq. Ft. | 17 3/4" Spa Steps The Hayward Filter Base with

The Hayward Filter Base with Screws and Washers (SX180K) is the OEM replacement base kit for Hayward ProSeries top-mount sand filters

Filters manufactured outside this window require a different manifold assembly

Requires: 75lbs of pool filter sand

Reemay 2033 spunbond polyester media packed into a compact 6 5/8" length

Unicel C-7370 Replacement Filter Cartridge for Sundance Spas 6540-483 | 75 Sq. Ft. | 17 3/4" Spa Steps The Hayward Filter Base withThe Unicel C 7370 is a 7000 Series replacement filter cartridge delivering 75 sq. ft. of filtration area through 154 precision formed pleats of 3 oz. Reemay 2033 spun bonded polyester media. Manufactured to OEM compatible dimensions for Sundance Spas systems, the C 7370 features a distinctive castle style top cap engineered to seat into the Sundance manifold fitting a design unique to these systems that ensures proper alignment and flow distribution.