Unicel 6CH-925 25 sq. ft. Pool & Spa Filter Cartridge – 6" x 8-1/4" with Semi-Circular Handle Covers & Cover Accessories the PSR137 meets the exact

the PSR137 meets the exact dimensional specifications of the original equipment cartridge

Pro Tip: Always turn off the pump and release all pressure from the filter tank via the air relief valve before opening the tank

Note: Do not backwash or clean filter within 48 hours after adding this product

Thermo Spas of Connecticut

Easy to read dual scale (GPM / LPM)

Unicel 6CH-925 25 sq. ft. Pool & Spa Filter Cartridge – 6" x 8-1/4" with Semi-Circular Handle Covers & Cover Accessories the PSR137 meets the exactThe Unicel 6CH 925 delivers 25 sq. ft. of filtration area in a compact 8 1 4" x 6" profile purpose built for top load and front access spa filter housings. With 132 precision formed pleats of 3 oz. Reemay 2033 spun bond polyester media, this cartridge maximizes dirt holding capacity while maintaining consistent flow through its injection molded 1 1 2" MPT threaded base. Specifications Filter Area 25 sq. ft. Length 8 1 4" Outer Diameter 6" Top Opening