Lambro 4-in Plastic Round Duct Reducer | L235
$3.88

Description

The duct to duct increaser joins 3-in to 4-in flexible ducts together. It is ideal for bathroom fan exhaust applications. Old bathroom fan exhausts that are 3-in can be increased to used 4-in duct to vent. Lambro 4-in Plastic Round Duct Reducer | L235

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