Unicel UHD-SR50 Replacement Filter Cartridge 52 sq. ft. | Sta-Rite Posi-Flo 50 Door & Gate Alarms please see Natural Chemistry model

please see Natural Chemistry model 10080NCM for the 100-test Phosphorus Test version

OEM Brand Product Name Part Number Notes Leisure Bay Spas S2/G2 Spa — — Pentair – Rainbow Plastics — R173601 — QCA — — — Rec Warehouse — 303434 — Waterway Plastics Top Load Filter 817-0016 Waterway markets this filter housing as a "100 sq

OceanBlue A-Frame Ladder

then broadcast evenly

Includes rope surround

Unicel UHD-SR50 Replacement Filter Cartridge 52 sq. ft. | Sta-Rite Posi-Flo 50 Door & Gate Alarms please see Natural Chemistry modelThe Unicel UHD SR50 is a premium UHD Series replacement filter cartridge delivering 52 sq. ft. of heavy duty filtration area for Sta Rite Posi Flo 50 pool and spa filter systems. Built with 4 oz. Reemay 2040 heavy duty polyester filtration media a full ounce heavier than standard 3 oz. cartridges the UHD SR50 delivers superior dirt holding capacity, enhanced durability, and extended service intervals. With 195 precision formed pleats maximizing media