Manufactured by Ritchie engineering Co. The item "Mechanical Manifold Gauge Set, 4-Valve YELLOW JACKET 49967" is in sale since Friday, March 12, 2021. This item is in the category "Business & Industrial\HVAC & Refrigeration\HVAC & Refrigeration Tools\HVAC & Refrigeration\ Gauges & Probes". The seller is "hvacmegastore" and is located in Kansas City, Missouri.