This Vevor AC vacuum pump and gauge set is designed for automotive A/C service, HVAC maintenance, and refrigeration work. It features a 3.5 CFM single-stage rotary vane pump with a 1/4 HP motor and an ultimate vacuum of 5 Pa for efficient evacuation. The included manifold gauge set offers precise pressure monitoring, while the three-color hoses help simplify setup and connections. Compatible with multiple common refrigerants, this all-in-one kit also includes adapters, vacuum oil, and a carry bag for portable use.