A/C Refrigerant Gauge R134A

Measures Level Of Refrigerant For Accurate Charging Of R-134A A/C Systems. Protects Against Damage To Compressor By Avoiding Over Or Under Charging Of System For Maximum Cooling. Made From Heavy Duty Die Cast Metal. Calibrated Color Coding For Easy Use, Liquid Filled Gauge, 0 - 200 Psi Measurements.