Increase your air reserve and maximize your work. Our portable auxiliary tank works with your existing set-up to minimize frictional loss over extended distances. Featuring a 1/4" quick coupler that connects to your standard air hose, 1/4" ball valve & five 3/8" outlet ports with five 1/4" industrial type couplers, add our Big Blue by 1TopTools tank downline from your air compressor to maximize performance or even fill it up and take it on the go as a portable storage tank. Work smarter and work safe with our 10 gallon ASME Boiler and Pressure Vessel Certified tank.