Description: The R134A AC service hose kit is made of metal and high quality rubber material, with solid construction and stable performance. Come with gauge for easily viewing during use,Low side gauge monitors pressure to aid in getting a correct charge. Features: Design: copper R134A refrigerant filling hose with pressure gauge, built-in safety valve to prevent accidental draining of the refrigerant. Use: one end with valve is connected to the box with 1/2 ACME, the other end with the R134A LOW side of your car. Easy and convenient to install and use. .
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