Pentair System:3 S8M500 Large Outer Sediment Filter Cartridge - 291 Square Feet pipe-size_1 1/4" This 90 gallon rectangular tank

This 90 gallon rectangular tank

Diving minimums for distance between board and pool side

including sensor calibration

This is a PVC Tee Fitting with slip (socket) connection that measures 4 Inch

Disperse any granules that have settled to the bottom by using a pool brush

Pentair System:3 S8M500 Large Outer Sediment Filter Cartridge - 291 Square Feet pipe-size_1 1/4" This 90 gallon rectangular tankThe Pentair 25022 0225S Cartridge Filter Element for System 3 S8M500 Filters has a media area of 291 Square Feet and is made of superior reinforced polyester pleated material with polyurethane end caps. Pentair reusable cartridge filter elements provide a high degree of water clarity and longer filter cycles. To maintain your pool water cleanliness and clarity, Pentair genuine replacement cartridge elements are the number one choice in cartridge