30×6 FSD-311 Combination Fire Smoke Damper w/ 16″ 20GA Sleeve, Vertical Mount, 120V Actuator, RRL, 1.5 HR UL-Rated

30×6 FSD-311 Combination Fire Smoke Damper w/ 16″ 20GA Sleeve, Vertical Mount, 120V Actuator, RRL, 1.5 HR UL-Rated

The FSD-311 is a combination fire smoke damper with airfoil blades. This model installs in walls, floors, or partitions and has a rating for airflow and leakage in either direction.

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Availability [1 Total]
SKU FSD311V30X 6
Manufacturer Greenheck Fan Corporation
Size 30x6
Width 30
Height 6
Construction Steel