This Professional Grade Dual Suction Stainless Steel 1/2 HP RIDGID Pump is assembled in the USA and Tested to 1 Million Cycles for performance that lasts. The 500RSDS will deliver dependable, energy-efficient, ultra-quiet performance for years to come - warrantied for 5 years. Able to pump up to 5,220 GPH. It is The Hardest Working Pump You'll Never Hear. Features: Easy to install, start-to-finish in about 15 minutes Stainless steel housing construction with cast iron base for extended pump life High performance, energy efficient motor runs virtually silent Float guard protects float and switch for dependable operation Dual suction design removes debris and resists air lock Passes up to 1/2 in. solids 1-1/2 in. national pipe thread discharge complies to building codes