This Professional Grade All Cast Iron 1/3 HP Blue Angel Pump is assembled in the USA and Tested to 1 Million Cycles* for performance that lasts. The F33CIS will deliver dependable, energy-efficient, ultra-quiet performance for years to come - warrantied for 3 years. Able to pump up to 4,600 gallons per hour it is The Hardest Working Pump You'll Never Hear™.