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A larger surface area extends the life of the filter cartridge
thermally protected - split capacitor motor
This test determines alkalinity levels to ensure stability and prevent sudden fluctuations in pH
Add 32 fl oz per 10
Model / SKU 3010 Size 18" Bristle Type PVC Bristle Material White PVC Shape Curved Back Blue Handle Aluminum Kwik-fit
Unicel UHD-SR137 Replacement Filter Cartridge 137 sq. ft. | Sta-Rite Posi-Flo 135 Water Features A larger surface area extendsThe 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.
