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/ Products tagged “how does a backdraft damper work”
how does a backdraft damper work
Insulated R5 Gravity Backdraft Damper
Industrial grade gravity fed rectangular backdraft damper requires no power and is standard with all CentricAir whole house fans. The R5 insulated gravity backdraft damper is designed keep attic air from entering the living space when the whole house fan is not in use.
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