Unicel UHD-SR137 Replacement Filter Cartridge 137 sq. ft. | Sta-Rite Posi-Flo 135 Drains The competitive pool volleyball net

The competitive pool volleyball net is available in 16' and 20' lengths to fit a variety of pool sizes

The CMP-exclusive "sawtooth" lip design churns the water like river rapids

The Polarshield Pro Strength 35' x 50' Rectangle Pool Cover is made of extra strong polyethylene sheeting woven with thick polyethylene stitching

Open Drip Proof

Your Waterway Front Access Skimmer requires 2 cartridges for a complete service

Unicel UHD-SR137 Replacement Filter Cartridge 137 sq. ft. | Sta-Rite Posi-Flo 135 Drains The competitive pool volleyball netThe Unicel UHD Series UHD SR137 is a 137 sq. ft. replacement filter cartridge precision engineered for Sta Rite Posi Flo 135 series pool filters. Built with heavy duty 4 oz. Reemay 2040 filtration media a full ounce heavier than standard 3 oz. cartridges and 216 precision formed pleats, the UHD SR137 delivers deeper dirt holding capacity and extended service intervals, keeping your water clearer between cleanings. Specifications Filter Area 137 sq.