The Grainger 170H30 is a 30 gallon, vertical, steel compressed air receiver tank. It has a maximum pressure rating of 250 PSI and is constructed of ASME code carbon steel with corrosion resistant interior coating. The tank has 3/4" NPT inlet/outlet connections and is designed for stationary air compressor applications. This 30 gallon tank provides additional compressed air storage to help meet demand during peak usage. The vertical orientation saves floor space.