Aluminium Duct Increaser/Reducer | 125–150mm
 
The Deflecto Aluminium Duct Increaser/Reducer allows you to adjust ducting diameter to suit various installations in both residential and commercial settings. Made from durable cylindrical aluminium with a smooth internal surface for efficient airflow, it can be clamped or riveted depending on the application. Ideal for connecting fans or other ventilation equipment to different duct sizes.
 
Features:
Smooth internal surface for maximum airflow
Can be clamped to ducting or riveted to pipework
 
This product has a 1 year warranty, suitable for domestic use.