Pentair System:3 S7MD72 D.E. Sediment Filter Cartridge - 72 Square Feet filter-length_18 7/16 inches and nonslip sanded tread

and nonslip sanded tread

The PVA brushes are for all pool surfaces and work well on slippery surfaces like tile

Used in copper test with Taylor Kits

It operates like a computer with multi-line screen displays and direct access to all menus and submenus

5 Gallon White Chemical Tank System with 45MPHP2 Model Fixed Flow Pump

Pentair System:3 S7MD72 D.E. Sediment Filter Cartridge - 72 Square Feet filter-length_18 7/16 inches and nonslip sanded treadThe Pentair 25023 0172S D. E. Filter Module Cartridge for System 3 S7MD72 Filters has a media area of 72 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