MP Pumps FRX75-SP all 316 Stainless 110V self priming centrifugal pump 1/6 HP Ideal for marine, industrial, agricultural or commercial applications with suction lift. A carbon/ceramic/viton bellows shaft seal is standard. 3/4" NPT ports with 1/8" NPT fill port. The O-ring/flapper design allows up to 12 foot suction lift.