100-125mm Duct / Hose Adapter / Reducer Aluminium Fitting DIRB54 by Oltre

The Deflecto Aluminium Duct Increaser/Reducer (100-125mm) is used to either increase or decrease the diameter of ducting. When you mount this increaser you can use it with a variety of common duct materials and in applications of standard construction from residential to commercial buildings. The cylindrical brass tube is internally smooth for maximum efficiency, and enhancements have been made for greater durability and ease of use. It’s ideal for increasing the diameter of your ducting when installing fans or other equipment.

Features:

• Internally smooth for maximum efficiency
• It may be clamped for ducting or riveted for pipe attachment