View 1 of Deflecto Duct Increaser and Reducer, Plastic Inline Adapter, White, 4” to 3”

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View 1 of Deflecto Duct Increaser and Reducer, Plastic Inline Adapter, White, 4” to 3”View 2 of Deflecto Duct Increaser and Reducer, Plastic Inline Adapter, White, 4” to 3”View 3 of Deflecto Duct Increaser and Reducer, Plastic Inline Adapter, White, 4” to 3”View 4 of Deflecto Duct Increaser and Reducer, Plastic Inline Adapter, White, 4” to 3”