JIFETOR Refrigerant Recharge Conditioning Charging Review

AC U CHARGE HOSE: Freon charging hose uses rubber nylon resin material hoses, featured with anti-corrosion, low fluid resistance, high bearing pressure, ensure durability and good air sealing. Max working pressure is 500PSI and burst pressure is upto 2500PSI. The total length is 42", with one side 1/4" female fittings connected with R134a can tap, and the other side 1/4" female fittings for R134A quick coupler or connect R12/R22 AC service port directly. REFRIGERANT CHARGING GAUGE: AC low pressure gauge with scale range -30inHg~250PSI, is equipped with metal 2-3/4" big dial, color coded scale to indicate pressure index for R134A R12 R22, Celsius unit, for monitoring the air conditioning low pressure side pressure easily. Built in calibration screw and no-flutter pointer insure a accurate freon recharge. BRASS QUICK COUPLER AND CAN TAP: Brass straight quick coupler with accurate snap lock and anti-slip knurled grip ring, is easy to connect and disconnect, compatible with all models with R134A suction service port. Brass R134A self-piercing can tap with 1/2" ACME female thread interface, can screw to fix on 1/2" ACME male thread of refrigerant bottle opening. Internal pin with sharp tip help to pierce freon bottle easily and quickly. There is also a 1/4" male to 1/2" female adapter included. MEASURE PRESSURE AND RECHARGE R134A: Start the car, open AC to MAX. Clockwise twist T handle to close can tap, connect the quick coupler and car AC suction service port to measure the pressure. The reading is right only when AC compressor is working. If need to charge the refrigerant, please compare to the manufacturer's recommended readings, choose the appropriate amount refrigerant can, to ensure there is no leftover in the can. SATISFACTORY CUSTOMER SERVICE: This air conditioning U hose gauge is very simple and easy to use, dynamic pressure measurement and R134A R12 R22 refrigerant charging. 30 days full refund with returned undamaged JIFETOR product. Any quality related problem in 1 year, we will replace the fittings for free or refund. Any question, please feel free to contact us by email or amazon message system, we will reply ASAP in 24 hours.