JTPRO 350 GPH Submersible Swimming Pool Winter Cover Pump, with Pre-filter Pad, 25' Power Cord, Manually on / off Submersible pump up to 350 gallons per hour, Manually on / off,WINTER use available. Pump water to within 1/8 inch deep; Unique pre-filter sponge pad to prevent leaves & debris from clogging the pump; Up to 25 feet power cord to assure flexible and comfortable use; Standard hose adapter for simple installation & quick setup; Oil-free designs for Environmental protection, Energy saving and Easy cleaning; One year warrantee;UL listed fully submersible pump, perfect for draining water off pool covers, and can also used on aquarium,well,pond and garden,etc.