DecriptionsThe valve core is good for refrigerants R134a with heat resistance and high pressure resistance.<br>  <br> Speicifications Type: Standard valve core<br> Screw Thread: M6 x 0.75<br> Oring: HNBR<br>   Material: Copper   Height: 19.9mm \/ 0.78&amp;quot;   Color: As the pictures show    Features Pressure: 0-5.3mPa<br> Temperature: -40\u2103~+150\u2103<br> HNBR - Hydrogenated Nitrile Butadiene Rubber - Air resistant， improves the material's thermal stability and oxidation resisitant.<br> For use with R134a and R12<br> Most of the models are in common use，not assuring it fits to all cars. <br>  Package included 1 x AC R134A Valve Core