The Vevor 3.5 CFM AC vacuum pump and gauge set is designed for HVAC service, automotive A/C work, refrigeration maintenance, and other vacuum applications. This single-stage rotary vane kit delivers a 5 Pa ultimate vacuum and includes a manifold gauge set with three color-coded hoses for clear, organized connections. It is compatible with multiple refrigerants including R134a, R22, R12, R502, R410A, R404, and R407C. The compact pump features a pure copper motor and a 0.27 qt. oil capacity for reliable operation. A carrying bag and multiple adapters are included to help you get started right away.