Deflect-O Duct increaser/reducer to connect a piece of 4 inch. Duct to a piece of 3 inch duct. The duct connecter works great on many bathroom fan installations.
- Brand Name: Deflect-O
- Diameter: 4 - 3 in.
- Color: White
- Material: Plastic
- Product Type: Increaser/Reducer
- Number of Pieces: 1 pc
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