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- Keeps the air from an inline fan blowing in the right direction. Keep outside air out of your room or house.
- Stays closed when fan is off preventing drafts and insects from entering through the duct
- Available in multiple sizes to fit your specific needs.
- The homeowner or renter looking for a way to avoid that stale smell in their humble abode will appreciate what exactly the backdraft damper does to keep their homes smelling and feeling fresh.