The Vevor AC gauge set and vacuum pump is a complete HVAC service kit designed for automotive air conditioning, home HVAC maintenance, and refrigeration work. It features a 4.5 CFM single-stage rotary vane pump powered by a 1/3 HP motor and reaches an ultimate vacuum of 5 Pa for efficient evacuation. The included professional manifold gauge set and three-color hose set support accurate pressure monitoring and organized connections. Compatible with R134a, R22, R410a, R1234YF, and R32 refrigerants, this kit is built for versatile service applications. A carrying bag and multiple adapters are included for convenient transport and broad system compatibility.