1/2 HP, Thermoplastic, Submersible Sump Pump, With Vertical Switch, Pumps Up To 3900 GPH at 0',Vertical Float Switch For Automatic Operation, Designed For 11" Diameter Or Larger Sump Basin, Top Suction Design Filters Debris amp; Minimizes Clogging, Designed For Easy Installation Without Any Plumbing Changes, Float Guard Protects Switch From Hang Ups, Epoxy Coated Steel, High Performance 1/2 HP, Motor, 1-1/2" NPT Discharge amp; Reinforced Thermoplastic Base. The product is manufactured in China. Easy installation and easy handling."h3"From the Manufacturer "p" "p"The Wayne SPF50 submersible sump pump can move up to 3900 gallons per hour (gph). The top suction design filters debris and minimizes clogging. This pump comes with an epoxy-coated steel, high performance motor. This pump is designed for 11-Inch diameter and larger sump pits. "p"Intended for Indoor Use Only.