1.Adaptable: Function of Oil Dye Injector 30ml Pushin type filter, one shot may help and rescue a bad compressor which caused by low oil, no need to rely on other system. This oil dye injector is use with fluorescent dyes aim to monitoring leak, it can suit with all oil types(POE or mineral oil), and all refrigerant types. 2.Trustworthy: Structure of Oil and Dye Injector Refrigerant Tools This Hand Push Oil and Dye Injector with a 13mm Low Pressure Quick Coupler, easy to snap in 13 mm female connector of manifold. Come with a 1/4 inch female SAE connector to connect with the 1/4 inch SAE male system ports (lower side preferred). Please use an adapter if there have different port size on your working system. 3.Detail: Widely Application of AC Manual Dye Injector This injector is suitable for air conditioning, HVAC, home office AC, industry, automotive industry, car auto A/C adapter, compressor sickness caused by low oil, etc. 4.Item: Features of HVAC Oil Injector Kit Adopt with reliable ABS, copper and rubber material, hard and wear resistant, heat resistant, extend life span. Flexible Hose Working Pressure (Max): 355425Psi (2429Bar), Flexible Hose Working Pressure: Within 285Psi (20Bar).