Indusco Environmental Services, Inc. offers a complete line of fiberglass dampers for all of your air handling needs, in sizes ranging from 4” to over 96” diameter. Dampers are an integral part of any air transfer system. Dampers can be used to regulate the amount of air collected from a pick-up location and to isolate various parts of the air conveyance system. The components of a damper include the body, blade, shaft, and operator. Operators can be a lever arm with locking quadrant or as complex as electric or pneumatically controlled gear operators.