12 Inch Fluorescent Lighting System; 1/4 Inch-18 NPT Air Inlet * Working Area: 33-1/2 Inch (W) X 22 Inch (D) X 18 Inch (H) * Includes: AC/DC Power Adapter, Blasting Gun, Hose & Heavy Duty Rubber Gloves * 4-3/4 Inch OD Dust Port - Side Load Door Opening: 22 Inch Wide X 19 Inch High * Four (4) Ceramic Nozzles (4mm, 4.5mm, 5mm, 6mm)