1/2 HP Deep Well Submersible Pump 150' Head Stainless Steel Good for home usage Patented impeller provides high flow up and high head Better performance and longer life than most other well pumps Industrial grade heavy duty, also good for home usage Shell, motor shaft are made with stainless steel to ensure corrosion resistance High efficient and hermetically sealed motor has a built in capacitor start, and thermal protection to prevent overheating, for longer life and powerful start