Mastercool 82374 13MM-M x 13MM-F LOW SIDE COUPLER EASY CONNECT OIL INJECTOR

Excellent method for adding refrigerant oil or large amounts of UV leakdetection dye to the A/C system. Add oil by allowing vacuum to pull it in after the evacuation process, or use refrigerant to push it in using the recharge system. Rugged all metal 2 oz canister. The "easy connect" models use a ball valve design attached directly onto the end of the A/C hose. Model 82374 Includes a low-side coupler on the outlet hose. Model 92376 includes auto shut-off valve on the outside hose.