[Capacity of the injector]: 1/4 oz/7.5ml---2oz/60ml.
[Feature]: inject oil/dye on low side with AC on, works great.Makes oil injecting into the R-134 R410a R22 R12 system a breeze.
[Instructions]: You can view the second image to use the product.Oil cylinder is filled with 2 ounces of refrigeration oil, check valve screwed onto cartridge and tightened. The inner and outer cylinders are tightened clockwise, and then a little 1/4 SAE threaded inner core is used to discharge a little air inside the blue tube. Connect the low-pressure port of the refrigeration system that needs to be refueled, and add the required amount of cooling oil to the inner and outer cylinders.
[Tips]: Please wear safety goggles to avoid contact with refrigerant.
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