The function of this filter system in a laboratory workbench is to provide clean and healthy air. It’s suitable for filtering the air from a high concentration of toxic gas, such as mercury vapor, sulfur dioxide, ammonia gas, etc. And it can also be used for ventilation and exhaust applications where it is important to capture particulate matter. It is an air filtration device that is used to capture airborne particulate matter. It consists of two bags, one inside the other. The inner bag contains a filter medium. When the outer bag is filled, it can be sealed and removed for disposal. After sealing, the inner bag remains in place and can be reused repeatedly to capture additional particles through successive filling/sealing cycles. The blower draws the contaminated air through the dust collector which captures most of the particles.