This Pumps-A-Lot water pump from GT Water Products is indeed a functional addition to you. This manual water pump comes with 2 foot by 1 1/4 inch discharge hose and pumps up to 800-gallons per hour. The submersible pump is corrosion-resistant, making it highly reliable. Besides, the thermoplastic housing material of this water transfer pump offers endurance to it. This pressure water pump utilizes water from the garden hose to create suction to drain water from pools, spas, tubs, ponds, pool covers, aquariums, and any flooded area water within 1/8 inches surface. This battery-powered water pump requires no electricity.