The Rigid Stainless Steel Couplings are designed to connect the Rigid Extractor Ducting together to make up a custom ducting length required to make up your extractor installation
These Couplings are made from stainless steel, and are designed to handle outdoor installations where the ducting in not enclosed inside a chimney, or is not protected from the outside environment.
Please see various Extractor Fans for more information on choosing the right Ducting lengths.
