• No Leakage: Because the three-color hose connector of manifold gauge set is made of nylon, which is high wear resistance, to avoid leakage of R22, R134a refrigerant, avoid environmental and health problems caused, and protect your A/C equipment when you using.
• Widely Used: Manifold pressure gauge is not only suitable for auto A/C system, household refrigerator, air conditioners, but also other refrigeration equipment. And you can get accurate readings in a short time. Blue low pressure gauge: -30 to 240 psi, red high pressure gauge: 0 to 500 psi.
• 3-color Hose: The hose is made of rubber material, which is very flexible and durable, and it is not easy to damaged, and extend the service life of the gauge. Before use, please connect the blue hose to the low-pressure connector, the red hose to the high-pressure connector, and the yellow hose to the charge/release connector.
• Detailed Instructions: The instructions detailed introduce how to vacuum, recharge the snow. Even if you are not a professional auto repairman, you can also independently diagnose, repair your car A/C, just follow the instructions. Hard plastic plate instructions can be hung in anywhere, waterproof and durable manual for long-term use.
• You Will Get: Our accessories include A/C diagnostic manifold gauge set for R134a, 3-color hose, red* blue coupler, universal bottle opener, dual end screwdriver, value core wrench, consumable accessories, the professional instructions, plastic tote box.