Usages: Circulating ponds up to 800 gallons, fountain nozzles, biological filters Corrosion resistant body designed for non-potable submersible use 1/2" MNPT discharge Manufacturer Item No. 566633 One year limited warranty Maximum pumping height 13/4' Accepts 3/4" ID tubing Side intake A premium pump at 475 GPH. Epoxy filled pump is compact in design, produces superior water flow and has corrosion-resistant plastic housing. Ideal for the water gardening environment.