Product Overview
Buy Plastic Increaser Decreaser 3 inch-4 inchfrom Vella.ca
If your exhaust port is not the proper size for your ducting, turn to Dundas Jafine's plastic duct increaser/decreaser. This plastic component connects 3" - 4" duct together and is ideal for bathroom fan exhaust applications
Buy Plastic Increaser Decreaser 3 inch-4 inch from Home DepotWarranty Information
Contact 1-800-387-2578 for warranty
