• Add oil by allowing vacuum to pull it in after evacuation process or use refrigerant to push it in using the recharge process.
• Rugged all metal 2 oz canister
• Useful for adding oil, or oil with dye for leak detection

Universal R-12 oil injector for bulk or bottle A/C oil.  Great addition to your A/C system.

View Mastercool 90375 Instruction Manual