Our easy-to-use siphon pump helps protect your pool cover from water, ice and mildew damage throughout the winter. It easily removes excess rainwater from the pool cover by pumping the water off without the need for electricity. Simply place the cover drain on top of your above ground pool cover and squeeze the siphon pump until water begins to flow. Avoid the hassle of trying to empty the heavy rainwater that collects on top of your cover. Details:12" x 12" drainer head size16 ft. hose lengthNon-electric siphon winter cover pumpExtends the life of your above ground pool coverPump protects winter cover from ice water and mildew damageRemoves water from above ground pool covers automatically without risk of shockIncludes the siphon drain drain hose and garden hose couplingPVC and polypropylene