This 2 oz. injector is easy to refill and easy to operate. Calibrations are clearly marked on the injector. Connect to A/C lo-side and rotate handle. AC/R and auto models. Maximum port pressure of 250 psi. Made in the USA.
Calibrated A/C Screw Injection
![Calibrated A/C Screw Injection](https://yellowjacket.com/wp-content/uploads/2015/02/calibrated-ac-screw-injection-968x536.jpg)