DEEP VACUUM & FAST AIR REMOVAL: The VIVOHOME 3/4 HP dual-stage vacuum pump reaches a 15-micron vacuum quickly; 7.2 CFM flow and 3456 RPM high-torque copper motor ensure fast air removal, helping reduce ice buildup in HVAC and automotive A/C system ONE KIT FOR PROS & DIYERS: The AC vacuum pump kit handles any job from home and commercial A/C systems (R22/R410A) to automotive repairs (R134a); A go-to solution for on-site servicing, mobile repairs, and routine HVAC maintenance CLEAN, QUIET & SAFE OPERATION: Universal 1/4" SAE and 1/2" ACME inlets fit R134a, R410A, R22, R12, and R502; Anti-backflow valves limit oil backflow, and dual exhaust filters reduce oil mist while keeping noise ≤65 dB for cleaner, quieter workspace BUILT TOUGH, MADE PORTABLE: The reinforced aluminum body and sturdy iron base stand up to heavy use, while the compact 22 lb design offers easy portability; Cooling fins and an internal fan prevent overheating, ensuring stable, long-lasting performance PRECISE DIAGNOSTICS, UNMATCHED DURABILITY: Get accurate readings every time; Shock-resistant core and rubber case protect against drops; Built-in hanging hook allows hands-free use, and easy-access calibration screw maintains precision with a simple twist COMPLETE KIT FOR HVAC & AUTO A/C: This vacuum pump kit includes a 7.2 CFM pump, 2 vacuum oils, manifold gauge set, 2 R134a quick couplers, 4 color-coded hoses, adapters (2×1/4"M to 5/16"F, 1×1/4"M to 1/2"F), and an R134a self-sealing can tap NOTE: The quick couplers ship in the open position; Turn the knob to closed before connecting; Not for use with A2L/A2 refrigerants This 7.2 CFM vacuum pump kit is crafted for HVAC maintenance, offering a user-friendly experience. It ensures easy operation, lasting durability, and dependable performance. Ideal for both residential and commercial AC systems, it makes every task feel effortless, enhancing your overall convenience.