Professional 4-Way Design】Each valve works separately through different color hoses. Red/blue hose connects high/low pressure quick coupler to the high/low pressure side of the compressor, yellow hose connects to the refrigerant, and black hose connects to the vacuum pump/recovery machine.
Durable Material】The connectors materials are durable brass, the hose and gasket are high quality rubber, which can effectively prevent leakage, suitable for both novice and professional use for a long time.
【Widely used】BACOENG AC manifold charging kit is compatible with r1234yf/r134a/r404a refrigerants, widely used in auto air conditioner/household air conditioner/compressor etc freon charging, vacuuming, diagnostic checking and recovery work.
Professional AC R134a freon charging tool kit, come with pair of R134a quick coupler adapters, R134a puncture can tap with 1/4 female to 1/2 male hose adapter, 1 valve core remover.
R134a quick coupler, adjustable valve for easy attching and removal without freon leaking, accurate snap lock (5 ball) with knurled grip ring for easy operation, removable copper adapter for longer maintenance, 1/4 inch male fitting compatible with most automotive air conditioner diagnostic AC manifold gauge hose.