The Vevor vacuum pump refrigeration kit is designed for HVAC and A/C system service with a 3 CFM single-stage pump and manifold gauges. Its die-cast aluminum housing helps keep the unit lightweight and durable, while the rubber base supports quieter operation. The kit includes color-coded hoses and a carrying case for organized transport and storage. It is suitable for use with refrigerants including R12, R134A, R22, and R410A. Built-in thermal protection helps guard the pump during operation.