This Imperial 6” to 5” Aluminum Reducer allows you to connect pipe of different diameters where air flows from a larger pipe into a smaller pipe.

• Crimped on the small end, it reduces the diameter of a 4” round return or exhaust air pipe to 3”, while maintaining optimal airflow.
• The reducer is ideal for general purpose venting applications and is quick and easy to install.
• The Increaser allows you to connect pipe of different diameters where air flows from a smaller pipe into a larger pipe.
• High quality aluminum construction for lasting use.
• Quick and easy to install