Zehnder F9 Filter for ComfoWell 320 Filter Box
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Zehnder F9 Filter for ComfoWell 320 Filter Box
These filters for a ComfoWell 320 filter box are equivalent to a MERV 15 Filter.
Need help to change your Zehnder HRV or ERV 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.
