Bulk bag dischargers are designed to handle flowing ingredients. They are commonly known as bulk bag unloaders, dumpers, bag frames and FIBC dischargers. It is used for dumping and unloading dry bulk materials. It eliminates dust escaping into plant atmosphere during discharge cycle by extracting dust-laden, displaced air from receiving hopper to dust collector. It is disclosed having an inner product tube for receiving the discharge spout on the bottom of the bulk bag. The tube being housed within an outer chamber that traps and retains foreign material and contaminants that could otherwise fall into the clean product zone. It is ideal for use in the ceramic industry where dust and consistent flow is an ongoing problem.