Zehnder F7 Filter for ComfoWell-320 Filter Case
Zehnder F7 Filter for Comfowell-220 Filter Case
This F7 filter is a Merv 13 Filter that fits in Comfowell-220 Filter Case.
Need to change your filter?
Watch this Small Planet Supply informational video on changing your HRV or ERV filter. You can also learn about how to perform routine maintenance (including how to change your HRV or ERV filter with Small Planet Supply's Small Planet University Zehnder Routine Maintenance Course.