The Black Diamond Portable/Auxiliary Air Storage Tank, 20 Gallon ASME offers a durable, ready to use solution for expanding air capacity or providing portable compressed air in shop, garage, or jobsite settings. This ASME certified tank is rated for 175 PSI and comes fully assembled with two welded carry handles for easy transport and a convenient ring base that allows stable vertical storage. Designed with practical features for safety and efficiency, it includes a quarter turn tank drain valve, air line shut off valve, pressure relief valve, and an easy to read pressure gauge. A 1/4" NPT industrial series connector plug and 1/4" industrial push to connect quick coupler provide fast, universal air connections, making this auxiliary tank an ideal complement to compressors or a reliable standalone air storage solution.