PENTAIR WATER 540486 HP, Cast Iron, Submersible Pump w/Vertical Float Switch, Stainless Steel Hardware, Powder Coated Finish, 1/2" Solids Capability, Vortex Impeller & Overloaded Protected Motor, Sump Pit Diameter Required: Minimum 18" W x 24" D Basin,PENTAIR WATER,540486" /> This is highly durable This is easy to use This is manufactured in China