The California Air Tools 1810C Wide-Mouth 10 Gallon Pressure Pot for Resin Casting features a 17 3/4 inch wide opening to accommodate long objects with Teflon® coated steel tank for easy clean up, an Output regulator, On/Off ball valve, pressure relief valve, and rubber feet for stability with castor wheels included in the box Maximum Pressure: 80 PSI Operating Pressure: 60 PSI Internal dimensions: 17 3/4" Wide x 9 5/8" deep with lid applied. Exterior dimensions are 19.5" Wide x 22.5" High with lid assembled.