Sand blaster Gallon abrasive material is equipped with different shut-off valve locations for adjusting media flow and a relief valve. This portable sandblaster is ideal for professional shops as well as your home garage. The Large Capacity Tank Allows You To Store Up To 20 Gallons Of Media Abrasive material And Is Easily Transported With two rubber wheels. Two handles make it easy to move it. Do not hesitate to buy this portable 20 Gallon Portable Air Media Abrasive Blasting Tank.