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.
Features:
| Product Type: | Adapter |
|---|---|
| Color: | Black |
