This complete diagnostic R134A, R410A, and R22 gauge set for use on air condition systems features easy to read gauges that have extra-large faces that display temperature in Fahrenheit and give R410, R22, and R134a readings. R134A R410A & R22 Manifold Gauges A/C. Tester gas Service Diagnostic AC. AC A/C Manifold Gauge Set. Works for R410, R22, R134a.Quick disconnect couplers for high/low fittings included. Each coupler have a shut off valve to prevent loss of refrigerant. Blue Gauge (low): 0-550 PSI. Red Gauge (high): 0-750 PSI. Red and Blue 60" long charging hose R12, R22, R134A (1/4" x 60). Yellow 60" long charging hose R12, R22, R134A SAE (5/8" x 60). The item "4 Way AC Manifold Gauge Set R134a r134 R410A R404A R22 withHoses Coupler Adapters" is in sale since Thursday, August 25, 2016. This item is in the category "Business & Industrial\HVAC\HVAC Tools\HVAC Gauges". The seller is "webdeals2015" and is located in Woodland, Washington. This item can be shipped worldwide.