• 2 oz refillable R12/R134a cylinder for adding oil, dye and STOP LEAK
• Does not require manifold gauge to use on low side of pressurized systems
• Add additive to system without adding refrigerant
• Includes Conversion-Quick Coupler for Servicing R-134a Vehicles
• Heavy Duty Aluminum Construction
• Part # 6074 Coupler O-ring Repair Kit
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