Yellow Jacket Gauge Set 2 Valve Manifold R134a, R507, R404a, MODEL 41312. The item "Yellow Jacket Gauge Set 2 Valve Manifold R134a, R507, R404a, MODEL 41312" is in sale since Friday, August 14, 2020. This item is in the category "Business & Industrial\HVAC & Refrigeration\HVAC & Refrigeration Tools\HVAC & Refrigeration\ Gauges & Probes". The seller is "k-mach" and is located in Waukegan, Illinois. This item can be shipped to United States.