For Product Inquiries and Availability, please contact your local Castle location.
The Imperial 3" to 4" plastic increaser or reducer is used as an adapter to convert a 3" dryer exhaust port to a 4" port, or convert a 4" dryer exhaust port to a 3" port. Recommended for bathroom fans, this increaser or reducer can be used with either a flexible foil or vinyl duct.
For Product Inquiries and Availability, please contact your local Castle location.
The Imperial 3" to 4" plastic increaser or reducer is used as an adapter to convert a 3" dryer exhaust port to a 4" port, or convert a 4" dryer exhaust port to a 3" port. Recommended for bathroom fans, this increaser or reducer can be used with either a flexible foil or vinyl duct.