ADAFIRST 3 Way AC Manifold Diagnostic Gauge Set for R134a R404a, with 3 Feet Charging Hoses Quick Coupler Adapter and Can Tap, for Auto Air Conditioner Refrigerant Test and Recharge - AD10414CN1

• Manifold Gauge Set: 3 way 2 valves 2 gauges manifold refrigerant gauge set is suitable for automobile and domestic air conditioners' evacuation (vacuum) and functional test, R134a R404a refrigerant charging and recovery work. 2-3/4 inch big dial, red high pressure: 0 to 500 pounds per square inch. blue low pressure gauge range: -30 inches of mercury to 250 pounds per square inch. Hardness brass manifold with an intuitive window allows you to monitor refrigerant refilling and recycling easily R134A Quick Couplers: The R134a AC quick couplers are made of high quality brass and aluminum material, with a specially treated surface that is not susceptible to corrosion. They are designed to lock accurately with ball bearings, and are compatible with all of standard R134A service ports. Red one for AC high pressure side discharge service port, and blue one for AC low pressure side suction service port. Very easy and quick to use Can Taps: One for the piercing type refrigerant can, the internal pin can pierce the opening to open the freon can, and one for the self-sealing type refrigerant can, the internal pin can press or release the self-sealing valve for open or close the freon can Rubber Nylon Resin Hoses: AC charging hoses that working pressure 500 pounds per square inch, bursting pressure 2500 pounds per square inch, with 3 colors for easy to recognition, red hose connects red high pressure quick coupler, blue hose connect blue low pressure quick coupler, and yellow hose connects middle charging port to can tap or recovery unit After sale: First of all, welcome to the ADAFIRST store. Thank you for your trust and choice of ADAFIRST. Products sold within 30 days unconditional return. Please check the integrity and functional performance of the product immediately after receiving the product, if you have any questions, please contact us and we will respond to you within 24 hours