**Product Details:** - 4 Roller Pump - Made by Pentair - Hypro Part # 4001N - 3/4" NPT Port Size - 5/8" Shaft Output - Ni-Resist Rotor and Housing Material - Clockwise Rotation - Comes Standard With Super Rollers - Standard Shaft Seals Are Viton - 140°F/60°C Max Fluid Temperature - 9.1 Max GPM - 150 Max PSI - 1800 Max RPM - Solid Shaft Type