MD750 Capacity: 790 GPH Features: -Large removable base.-Tapered outlet fittings.-Rotating volute provides maximum adaptability for any installation.-Oversized male threaded inlet and outlet for greater flow.-Removable pre-filter cage. Assembly Instructions: -Tool free access to the impeller assembly. Dimensions: -MD350 Pump: 370 GPH; 7 feet Shut-off Height; 25 Watts; 0.75" to 1" Discharge; 20 ft. Power Cord.-MD550 Pump: 650 GPH; 8 feet Shut-off Height; 40 Watts; 0.75" to 1" Discharge; 20 ft. Power Cord.-MD750 Pump: 790 GPH; 9 feet Shut-off Height; 50 Watts; 0.75" to 1" Discharge; 20 ft. Power Cord.