Constructed from UV resistant, proof polymer materials, the systems features a 1500GPH drainage capacity and pressure O rings that maintains leak proof for 5+ years in harsh pool environments Perfect for seasonal pool drainage, filter systems upgrades, or routine maintenance tasks where install components and sand filter compatibility are essential for uninterrupted water management Engineered for ground pool pumps, this 11872 hose plunger valves set with 11456 drain valves cap and 25013 O rings ensures optimal water circulations efficiency while reducing energy consumption through its sand filter compatible design Ideal for residential pool owners, commercial facilities, and fitness centers requiring ground pool maintenance solution with compatible sand filter systems This comprehensive pool valves set combines industrial grade durability with user friendly installation, offering leak compared to standard fittings while maintaining full pumps systems integration