The most innovative easy-to-use gauge in the air conditioning industry
Measures the level of refrigerant in all R-134a systems
Checks low-side pressure for accurate charging
The quickest, easiest way to check your A/C system before charging or for proper maintenance. Indicator needle locks into place on color-coded dial for proper viewing. Easy-to-read dial face has 4 color-coded level indicator strips (High, Alert, OK, Low).