Mastercool 90375 Refrigerant Oil or Dye injector 1/4 Female Flare x 1/4 Male Flare.

The Mastercool 90375 Refrigerant Oil or Dye injector is designed for easy and efficient use with its 1/4 Female Flare x 1/4 Male Flare connection. Easily inject refrigerant oil or dye into HVAC systems without any hassle. Enhance your HVAC maintenance with this essential tool.

Product Description:

An excellent method for adding refrigerant oil or large amounts of UV leak detection dye to the A/C system. Add oil by allowing the vacuum to pull it in after the evacuation, or use refrigerant to push it in using the recharge system—rugged all-metal 2 oz canister. The standard models use a needle-style valve between the manifold gauge set or charging equipment and the A/C hose.