DEEP VACUUM & FAST AIR REMOVAL: 7.2 CFM dual-stage pump reaches 15 microns fast; 3/4 HP copper motor (2880 RPM) ensures quick air removal to avoid ice buildup and system wear in HVAC and auto A/C systems PERFECT FOR DIY & PRO USERS: The AC vacuum pump kit is ideal for car owners, homeowners, and HVAC techs; Great for R134a vehicle A/C recharges and R22/R410A mini-split installs; Simple setup even for first-time DIYers CLEAN, QUIET & SAFE OPERATION: Universal 1/4" SAE and 1/2" ACME inlets fit R134a, R410A, R22, R12, and R502; Anti-backflow valves prevent oil backflow, and dual exhaust filters reduce oil mist while keeping noise ≤65 dB for cleaner, quieter workspace DURABLE BUILD FOR REPEAT USE: Solid aluminum housing and iron base ensure long-lasting strength and stability; Built-in cooling fan prevents overheating during 40–50 min duty cycles; Anti-slip rubber feet reduce vibration for years of reliable service PRECISION DIAGNOSTICS FOR CONFIDENT REPAIRS: Shock-resistant gauge with calibration screw delivers accurate readings up to 800 PSI; 7-level leak detector pinpoints micro-leaks fast—ideal for pros or DIYers seeking reliable, worry-free A/C service COMPLETE KIT FOR HVAC & AUTO A/C: Includes 7.2 CFM dual-stage vacuum pump, 2 vacuum oils, manifold gauge set, leak detector, 2 R134a quick couplers, 4 color-coded hoses, 3 adapters (2×1/4" M–5/16" F, 1×1/4" M–1/2" F), and 2 R134a can taps (self-sealing & piercing) NOTE: Quick couplers ship open — turn to close before connecting. For R134a, R22, R12, R410A, and R502 only. Not for A2L or A2 refrigerants. The VIVOHOME ac vacuum pump and gauge set with a leak detector help you eliminate the trouble of looking for all the separate units needed for the air conditioning job. The considerate design of our unit will help you finish the job conveniently and efficiently.