Deflecto Duct Increaser and Reducer, Plastic Inline Adapter, White, 4” to 3” (IRB43)

Adapt your 3” duct to a 4” exhaust hood with the Deflecto Duct Increaser and Reducer. This polypropylene plastic connector is an ideal connector when installing bathroom fans as well. Slip the ducts over the ends of the increaser/reducer, and tighten down with clamps (not included). Durable and lightweight, this reducer has a melting point of approximately 325 degrees F. Deflecto was founded on innovative, problem solving products. For over a half century, we have built a tradition of discovering and meeting needs with invention and dependable manufacturing. Today, Deflecto is the world’s largest chair mat, bicycle reflector and dryer venting manufacturer and a global leader in sign and literature holders, office workspace accessories and other air distribution products.

Deflecto Irb43 Plastic Reducer 4 inch To 3 inch ; Allows Use Of 4 inch Exhaust Hood With 3 inch Duct; Plastic Material allows for light weight design