Shufro 10pcs Car Air Conditioner Checker Car Air Conditioner R-134A Refrigeration Testing Equipment A/C Test Cotton

2. Compatible with R134A and R12 Systems: This automotive air conditioning system tester is designed for use with R134A system and R12 detection cotton. For accurate results, it is important to ensure that your vehicle has enough refrigerants before performing the test, to ensure that is not running out during the detection process 3.Convenient Testing Conditions: To perform this A/C tester test, open the car door or lower all 4 windows and set maximum air flow and low temperature. Running your vehicle for a few minutes is ready for level checks to ensure optimal testing conditions Features: 1.Quick and easy test: Using the car air conditioning checker, you test your car air conditioning level quickly and effortlessly. Simply start your vehicle, set your air conditioner to the maximum air flow, and quickly press the checkers into the refill port 2-3 times. Get instant results to perform the action you need 4.Simple and efficient operation: Align the frozen test equipment with low pressure port, press firmly and release immediately without waiting for a long time. This process is used twice to quickly and efficiently measure the level of your vehicle's air conditioning system 5.ENSURE OPTIMAL PERFORMANCE: Regularly check your vehicle's air conditioning level to maintain the optimal system performance. Proper level helps in effective cooling, preventing potential problems and prolong the life of your car's air conditioning components

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