ARB’s Aluminium Air Tank is 4L [1gal] in capacity and is rated to a working pressure of 1030kPa [150PSI]. Its aluminium construction makes it light weight and easily mountable. Adding this air tank to your compressed air system will increase its compressed air storage capacity and will enable ARB’s Maximum Performance On-Board Air Supply (CKMTA12) to operate most air powered tools. This kit comes complete in a showroom ready colour carton.