**Product Details:** - 4-Roller Pump Coupled to 12V DC Motor. - Made by Pentair. - Hypro Part # 4101XL-EH. - Locking Collar and Torque Arm Come in Each Package. - 1/2" Hollow Shaft. - 3/4" NPT Port Size. - SilverCast Rotor and Housing Material. - Clockwise Rotation. - Comes Standard With Super Rollers. - Standard Shaft Seals Are Viton. - 140°F/60°C Max Fluid Temperature. - 7.5 Max GPM. - 50 Max PSI. - 1900 Max RPM.