3M-Matic Case Former. Model: 29500. S/N: 1354. Maximum box dimensions: 2 ft. 6 in. L x 1 ft. 8 in. W. Minimum box dimensions: 1 ft. 2 in. L x 7 in. W. Automatic or manual mode with foot pedal activation. Inlets: (1) 3/8 in. air quick connect fitting. Outlets: (1) 3/4 in. dia. port (exhaust). Overall dimensions: 5 ft. 2 in. L x 2 ft. 5 in. W x 2 ft. 9 in. H. (ACN66a)