Auto R-134a Calibrated A/C Screw Injector with Service Coupler | 69731

This Auto R-134a calibrated A/C Screw Injector with Service Coupler has a 2oz injector that is easy to refill and easy to operate. The calibrations are clearly marked on the injector and you can connect to the A/C lo-side and rotate the handle. 

Features: 

• AC/R and auto models 
• Maximum port pressure of 250 psi 
• Made in the USA