Ducting Reducer
The pressed ventilation reducer is perfect if either your fan or filter flange differs in size.
Using the ventilation reducer will enable you to match up a 5" fan to a 4" filter, or even a 10" fan to a 6" filter and vice versa.
General Information
Available in the following sizes:
- 5-4" , 6-4", 6-5", 8-5", 8-6", 10-6", 10-8", 12-8", 12-10"