Help maintain the condition of your winter cover throughout the off-season with Swimline's Non-Electric Siphon Winter Cover Pump. This cover pump removes water that collects on top of the cover and drains it away to keep your cover away from any freezing damage that may occur, helps ease the pain of pool maintenance, and allows for a simple opening in the spring. Simply place the cover drain on top of your above ground pool cover and squeeze the siphon pump until water begins to flow. No electricity needed and no batteries requires for this cover pump! The Swimline Non-Electric Siphon Winter Cover Pump includes the drain, siphon pump, drain hose, and garden hose coupling to suit all your needs!