Features: OOTDTY   brand new and high quality The injector comes with a 1/4" SAE female fitting that connects directly to a 1/4" SAE male system port (underside preferred). If you are using a system with a different port size, you may need an adapter to do the job. Great for Home Office Air Conditioners and Auto Air Conditioners Oil and Amplifier; Dye Injector R134A 1 oz Hand Steering Pump Fuel Injection Auto Air Conditioner Adapter. Great for home office AC and car AC systems, professional repair tool, 1/4" female connector making it compatible with most AC systems (if not, use some 5/16" R410a systems from CV23p). A shot can heal and save a compressor sick from insufficient oil. Compatible with fluorescent dyes for leak monitoring, compatible with all oil types (POE or mineral oil), compatible with all refrigerant types. Specifications: Material: Plastic Color: As the Picture Shows Net Weight: 233g/0.51lbs Package Includes: 1Set Air Conditioning Car Oil Spray Dye Spray Tool Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.