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Search - duct reducer

Duct adapter, 4" to 3" transition, for fans/vents.

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Deflecto Duct Increaser and Reducer, Plastic Inline Adapter, White, 4” to 3” (IRB43)

Deflecto Duct Increaser and Reducer, Plastic Inline Adapter, White, 4” to 3” (IRB43)

HSM19059
Adapt your 3” duct to a 4” exhaust hood with the Deflecto Duct Increaser and Reducer. This polypropy..
US$2.77
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