Baghouses and Depth Filters utilize air flow throw filter media (often in the shape of a bag) to capture particulate matter. Filter elements with pleated media and other porous materials (ceramics, glass fibers, etc.) are also used.
Dust collectors are used in many processes to either recover valuable granular solid or powder from process streams or to remove granular solid pollutants from exhaust gases prior to venting to the atmosphere.
Motor starters and contactors are motor-starting devices. They combine a contactor with overload protection and are designed for starting AC or DC motors.