
Lambro 4 In. x 3 In. Plastic Vent Adapter
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Description
The Lambro 3 inch to 4 inch plastic duct connector is ideal for bath fan exhaust installations. Used to increase the duct diameter size from the bath fan 3 inch exhaust port to the 4 inch duct going to the outside. The polypropylene material resists moisture to remain corrosion-free.
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