• For use in adding R134A refrigerant to vehicle or home air-conditioning with highly working performance.
  • Checks the low side pressure for the exact filling of your air conditioner.
  • Built-in safety valve for accidental venting of refrigerant.
  • 1/2 Thread for American and Europe.Metal valve with 1/2" fitting. The connector to the Freon gas tank is adjustable.
  • Easy and convenient to use.This R134A refrigerant Charge Hose comes with Gauge for easily viewing during use.

Low-end, low side gauge just to make top off coolant. Works fine.