【Meter Features】The AC manifold gauge set is designed for years of heavy-duty working use made from solid brass, ABS and rubber. Double meter valve series adopts unique spring pressure indicating pointer with a reading accuracy error of 1.5psi.
【Color-coded Hoses】These 4ft(1.2m) hoses have 4 layers to work with pressure up to 600 psi(3000 psi burst pressure). Yellow for tube connecting with vacuum pump. Blue for low pressure connector suction. Red for high pressure connector discharge.
【Equipment Compatible】This car AC gauge set compatible with R134a R410a & R22 refrigerants and professional HVAC maintenance. It allows to measure your system's pressure, evacuate and refill coolant, and more.
【Tool Set】2 X R134a Quick Couplers; 2 X Angled R410a Adapters; 1 X Straight R410a Adapter; 1 X 29° Adapter; 1 X Can Tap; 1 X Valve Core Wrench; 1 X Detailed User Manual; 3 X Connect Hoses; 1 X Blue Plastic Storage Case; 1 X Hook
【Method & Other Instructions】Adjust the pointer to zero to obtain accurate readings, observe the refrigerant and diagnose its condition, unload the valve to safely release pressure to simplify maintenance work.(calibration screws 1.6% accuracy)