Features: 100% Brand new and high quality,Low-side quick coupler adapter. The injector comes with a 1/4 inch female SAE connector, that goes directly to the 1/4 inch SAE male system ports(lower side preferred). If you are working on a system with different port size, you may need to have an adapter to finish the job. Perfect for Home Office AC and Car AC Oil and amp; Dye Injector R134A 1OZ Hand Turn Pump Oil Injection Car Auto A/C Adapter. One shot may cure and save a sickened compressor caused by low oil. Compatible with fluorescent dyes for leak monitoring, compatible with all oil types(POE, or mineral oil) Compatible with all refrigerant types. Specifications: Material: Steel, Brass, Rubber Color: As shown in the picture Flexible Hose Working Pressure (Max): 355-425Psi (24-29Bar) Flexible Hose Working Pressure : Within 285Psi (20Bar) Package size: 16.5125.8cm Package weight: 255g Package list: 1 * Filler 1 * Fluid Tube 1 * Quick Joint