Backdraft dampers are designed with galvanized steel collars and have lightweight aluminum damper blades. They are spring loaded for positive closure.
S&P Backdraft Damper, Model: CAR, Metal, 4-15/16 in Diameter, 3-1/2 in Length
Diameter
4-15/16 in
Length
3-1/2 in
Material
Metal
Model
CAR
- PVC foam seal
- For residential and commercial use
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Catalog
https://assets.unilogcorp.com/267/ITEM/DOC/SP_CAR125_Catalog.pdf
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Specification Sheet
https://assets.unilogcorp.com/267/ITEM/DOC/SP_CAR125_Specification_Sheet.pdf