20 Gallon Air Sandblaster with Ceramic Tips 20 gallon tank capacity 60 - 125 PSI working pressure with safety relief valve and pressure gauge 6 - 25 working CFM Safety relief valve & pressure gauge, 6 - 25 working CFM, nozzle set: 3/32", 7/64", 1/8" & 9/64 Rolls easy on 6" wheels