Connnection: Each side is equipped with a brass 1/4 inch internal threaded joint for easy connection. The red hose connects the red 1/4 inch external threaded end of the gauge to the red, blue to blue quick connect fitting, and the yellow hose connects to the valve or vacuum pump.
and Accurate Measurement : 3 way ac diagnostic manifold gauge set for freon charging is long-lasting and resistant. Built in calibration screws and anti vibration pointers ensure measurement accuracy.
Easily Readable Dial: The easily readable 7cm dial features color coded scales and an observation mirror on the instrument panel for better and easier control of refrigerant charging and recovery.
Adhesive Nylon Hose: Adopting 3 x 0.9m adhesive nylon hose, it is resistant, with low fluid and high bearing pressure, ensuring durability and good sealing performance. The maximum working pressure is 500 PSI.
Blue and Red Low Pressure Gauge: The blue low pressure gauge has a range of ‑30 inHg to 220 PSI, and the red high pressure gauge has a range of 0 to 500 PSI in degrees Celsius.