Mastercool ML82375 Oil Injector

STURDY ALUMINUM CONSTRUCTION provides superior quality and longevity,ADD REFRIGERANT OIL OR UV LEAK DETECTION DYE to R134a systems,EASY INSTALLATION by adding oil allowing vacuum to pull it in after the evacuation process or use refrigerant to push it in using the recharge system,COMPATIBLE with R134a systems ACME-M x ACME-F,RUGGED ALL METAL 2 OZ CANISTER easily allows for filling from a bottle or can