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The MASTERCOOL 82375 is a professional-grade oil and UV dye injector designed specifically for R134a automotive A/C systems. Featuring a durable 2 oz metal canister, precision needle valve control, and standard 1/2” ACME fittings, it offers dual injection methods—vacuum suction or pressurized refrigerant—ensuring flexible, accurate delivery. Trusted by technicians, this tool combines rugged construction with seamless compatibility for reliable, efficient A/C maintenance.
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