The SHURflo Macerator Pump is designed specifically for sanitation waste and fish box evacuations. Features run-dry capability and seamless shell motor with O-ring sealed end bells and a sealed manual turn key. Housing construction and unique dual, stainless steel serrated blades ensure problem-free pumping. Self-priming macerator pump up to 3' lift. Thermally protected and ignition protected. 10.79" x 3.82" x 4.48". Port size: 1.5" barb/1.5" NPT inlet, 1" barb outlet. One-year warranty. Serrated blades ensure problem-free pumping Self-priming up to 3' lift | 12V Macerator Pump