Mastercool 90375 A/C Refrigerant Oil Injector 2 oz R12/R134a

The Mastercool 90375 is a professional-grade refrigerant oil injector designed for efficiently adding compressor oil or UV leak detection dye to automotive and HVAC air conditioning systems. This essential service tool simplifies the process of maintaining proper lubrication levels in A/C systems during repair and maintenance procedures.

Key Features:

• Rugged all-metal construction for durability in professional shop environments
• 2-ounce capacity canister accommodates most service requirements
• Dual 1/4-inch flare connections (female inlet x male outlet) for universal compatibility
• Needle-style valve provides precise flow control
• Works with vacuum pull-in method after evacuation or refrigerant push method during recharge
• Compatible with R12, R134a, and other common refrigerants
• Installs inline between manifold gauge set or charging equipment and A/C hose

This oil injector eliminates guesswork and mess when adding the correct amount of compressor oil to air conditioning systems. The transparent canister allows visual confirmation of oil level, while the precision valve ensures accurate dosing. An excellent addition to any professional technician's A/C service toolkit.