AC A/C Oil and Dye Injector Refrigerant Tools with Snap Quick Coupler R-134a R410a R22 R12 System 1/4" SAE Scale Refillable Line 2 OZ Hand Turn Screw

Key features

• [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.
• [Buy with Confidence]: Order from KONDUONE,we offer LIFETIME WARRANTY, true worry-free shopping experience.If you have any problem about your order,please feel free to contact us.