4.5cfm HVAC Vacuum Pump for R12 R22 R134a R410a R502

Feature PUMP IT OUT: This single-stage rotary vane vacuum pump from Orion Motor Tech is powered by a 1/3 hp all copper motor to keep your vehicle AC servicing fast and easy; its 4.5 cfm flow rate can draw your system down as low as 37.5 microns (5 Pa) and is able to quickly degas batches of resin, epoxy, oil, and other solvents when equipped with a vacuum chamber SAFE & DURABLE: The reinforced aluminum alloy casing effectively dissipates heat generated during operation and resists chemical corrosion for years of quality use; its innovative design prevents oil backflow and separates the exhaust from any oil vapor, limiting contamination and providing safer operation, while the reinforced power cord ensures superior durability USER FRIENDLY: The 7.6 fl. oz. reservoir includes a sight glass and scale for easy monitoring of the pump's oil level and quality; the light weight and sturdy handle keep everything easily portable for transport or storage between jobs; and 1/4 inch and 3/8 in