FRX 75-SP is a high performance 12-volt self-priming 316 stainless steel centrifugal pump. It has superior corrosion resistance when pumping chemical compounds. A carbon / ceramic / Viton bellows shaft seal is standard. 3/4" inlet and outlet, capable of up to 12 foot suction lift [ 3450 rpm ] up to 20 gpm max, 10 psi max.