Carbon steel construction. Itegral cartridge filter pulse jet dust collection system. Cincinnati fan cast aluminum pressure blower, model pb-10. S/N 866146. 1-1/2 HP marathon electric motor, 3450 rpm, 208-230/460 volt, 56c-6 frame. 8" square flanged material outlet transitioned to 4" dia. Pipe thread. Manufactured by material systems engineering, inc. S/N 86008-500. Overall dimensions: 44" W x 41" d x 104" H. Demonstration video on file.