Comprehensive R410a R22 R134a AC Gauge Set. Whether you are troubleshooting an AC issue or performing routine maintenance, this gauge set will help you achieve accurate and professional results. Complete AC Tool Set: This kit includes a 4-way gauge, four color-coded hoses, two adjustable 1/4" quick couplers, a 1/2" to 1/4" 29° trap adapter, a 1/4" to 5/16" tank adapter, and angled and straight adapters.
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