Used- Smurfit Stone Bulk Bag Filler, Model 770 GWC CLEAN PAK. Forced air type for pneumatic conveying systems, 2.5 cubic feet of free air at 80 psi / per bag. Includes Ulrasonic valve sealer. Suitable for fine powders up to 3/8" granular. 1 phase, 60 hertz, 120 volts, 5 amps. Serial # 02CP770GWC06.