Aupoko R134A AC Oil Dye Injector, Filling Syringe with 1/2" Acme Male and Female, Fits for Air Conditioning Universal A/C Injection Tool

【COMPATIBILITY】 Fits for R134A with 1/2" ACME Male and 1/2" ACME Female Air Conditioning Universal A/C Injection Tool. 【PREMIUM QUALITY】 Sturdy aluminum alloy construction, rugged all metal 2 oz canister, for long lasting to use. 【WELL DESIGN】Designed for professional technicians using bulk A/C oil for injection into A/C system. This injection tool also be used for injecting UV dye for leak detection. 【EASY TO INSTALL】 Adds oil by allowing vacuum to pull it in after evacuation process or use refrigerant to push it in using the recharge process. Please note add 2 ounce of oil to R134a a/c system under pressure or during service. 【WHAT YOU GET】 1 set of R134A Compressor Oil Dye Injector. If you have any question, we will try our best to help you ensure a fast and effortless ac replacement process.