PerformancePro Artesian is the perfect choice for high efficiency and reliability, combined with the convenience of self-priming. Molded of corrosion-resistant polypropylene. Artesian pumps are ideal for applications in which the pump is positioned above the water level. An easy-open Lexan lid provides ready access to the integral strainer pot's large basket. Money saving high efficiency pump and motor units. Long life corrosion resistant Stainless Steel shaft seals. Impeller interchangeability allows you to easily change your pump's performance. Top-of-the-line U.S. motors. All 1725 rpm units are totally enclosed and fan cooled?for excellent protection and long term reliability. Both pump ends and motors are designed for quiet operation. Safety first - out of pond pumps help protect both you and your fish from annoying and potentially dangerous oil or electrical leaks. 3 year limited warranty.