This OMT Combo kit includes a 1/3HP 4CFM air vacuum pump, manifold gauge, and hose set for HVAC and refrigeration use. The kit features an Orion Motor Tech brand and a multicolor design. The gauge fill is oil and the kit falls under the categories of HVAC & Refrigeration: Gauges & Probes, HVAC & Refrigeration Tools, HVAC & Refrigeration, and Business & Industrial. This kit is perfect for those in need of reliable HVAC and refrigeration tools.