For B&K Dyna-Jet model 747 Back cover appears to be missing, if it had one. O/W good shape. $8.00 inc postage CONUS. Thanx Lloyd Please visit my web site http://www.lloydsdipsydumpster.com/ Lloyd Godsey KK7IZ 1315 N. Udall Circle Mesa, Az 85203 480-620-7145 (cell)