Equipped with an ignition-proof on/off switch and a sparkless motor, the VIVOHOME vacuum pump is engineered for safe operation with A2L, such as R32 R1234yf and R454B, and other mildly flammable refrigerants, Powered by a 1/4 HP (180-Watt) motor running at 1728 r/min, it delivers a flow rate of 3.5 CFM and achieves an ultimate vacuum of 2 Pa in just 3-minutes, making it a reliable and secure choice for precise AC system maintenance. It is ideal for for maintaining R32, R1234yf, R454B, R410a, R134a, R12, R22, and R502 air conditioning systems. This manifold gauge ensures precise pressure measurement for refrigeration systems, It blends the best of dry and liquid-filled designs, featuring an oil-filled core to resist wear and a dry dial for better winter performance.