Graco 24G603 Ld Series 50:1 Pump For 120 Lb (55 Kg). Pail Npt 39 cfm ): 4 1 2• Weight (Lbs .019 ): 4 1 2• Weight (Lbs Hose Fittings Maximum Working Pressure (psi) 4500 Model Contractor King Package Options Big 150 Package Pressure Ratio (Motor Lower) 45:1 XL6500 motor 290cc Lower Product Series Big 150 Pump Ratio 45:1 (4500 psi) Pump Type Endurance Series 45:1 Type Airless Sprayer Weight (lb) 145 Innovative Air Valve Designed to reduce icing in continuous use applications and uses less air than competitive pumps for better efficiency LD™ has a powerful three inch air motor to deliver the fluids you need while the built in thermal relief protects your equipment from thermal expansion