This valve bag filler offers both excellent weight accuracy and simple operation. These air packers are designed to fill and weigh fine powders, flakes, pellets, and granules with a particle size of 3/8” or smaller. The filling and weighing system is fully integrated into a single machine and under a single interface. Several air packer models can have Clean Pak Style Ultrasonic Valve sealing system fully integrated. Multiple units may be banked together under a single hopper to provide higher production rates.