Adapter Collar with Flapper

Duraflo

Adapter Collar with Flapper

Adapter Collar with Flapper

The Duraflo® adapter collar with built-in flapper easily converts our roof vent to a bathroom exhaust vent. Designed for bathroom fans, the flapper prevents backdraft. Ideal for new or existing homes, the large flange allows easy installation from the roof or attic. The self-sealing collar needs no tar, and water guards ensure leak-free performance.

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