the vacmaster wet/dry vac pump accessory quickly pumps water out of most wet/dry vac tanks with a drain. simply attach the versatile pump to your wet/dry shop vacuum using the included adaptors, fasten a standard 5/8 in. hose to the flow valve and the water evacuates at 10 gallons per minute or 40 feet high. it also features an easy access on/off switch, shut off valve and a strainer that protects the pump from large debris. the high impact housing and polypropylene attachment caps provide strength and long lasting durability. fits most vacmaster®, masterforce™ and performax® wet/dry vacs with a drain port.