4cfm HVAC Vacuum Pump Tool Set with Manifold Gauge Kit for R502 R134a R22 R12 Auto AC

Features Complete Vacuum Pump Tool Set: This complete air conditioner evacuation and recharging set includes a powerful 1/3 hp vacuum pump, a manifold gauge, 3 hoses, and the adapters and other accessories needed for easy refrigerant evacuation, recharging, and other low-tonnage HVAC repair work; its 4 cfm flow rate can draw your system down as low as 37.5 microns (5 Pa) and is also able to quickly degas batches of resin, epoxy, oil, and other solvents when paired with a vacuum chamber. Safe and Durable: Carefully constructed with high-quality copper and lightweight aluminum alloy, our air conditioner evacuation and recharging set provides efficient, dependable, and long-lasting service; its innovative design prevents oil backflow and separates the exhaust from any oil vapor, limiting contamination and providing safer operation; and the 3 color-coded hoses have a 5 foot reach and 3000 psi burst pressure. User Friendly: The 7.6 fl. oz. reservoir includes a sight glass and scale for