Pentair 022011 WhisperFloXF High Performance Energy Efficient Single Speed Full Rated Pool Pump, 5 Horsepower, 208-230 Volt, 1 Phase Diamond seals made of oxidation-resistant, selfretaining EPDM rubber for increased durability and tighter seal Drop-in replacement for all WhisperFlo Pump models Union connectors included for connecting directly to 2.5" or 3" plumbing WhisperFloXF 5 HP Energy Efficient Pump - 208-230V