Tjernlund BD-8 Spring Return Backdraft Damper for 8" Ducts
Product Description
Tjernlund BD-8 Spring Return Backdraft Damper for 8" Ducts
- 8" spring loaded back draft damper
- Galvanized steel collar
- Aluminum damper blades
- For 8" duct
- Easy installation
Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades. Spring loaded for positive closure against interior gasket.
Technical Specifications
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