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Lambro
4 In. X 3 In. Plastic Vent Adapter
SKU #595031 Model #235 UPC #039899002352
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lambro 4 in. x 3 in. plastic vent adapter - 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.