This AC gauge set is designed for testing automotive air conditioning systems (using R134A refrigerant only) by comparing "high side" and "low side" pressure readings to the vehicle manufacturer's specifications. This AC tester set can be used to test, evacuate, and fill automotive AC systems.
- Color-coding on gauges, valves and hoses to ensure correct hookup
- Large 2-1/2 inch gauges with impact-resistant lenses:
- Sight glass for viewing refrigerant condition
- Quick-disconnect fittings
- High-pressure safety valve