G4 Filter for ComfoAir 350/550 & Later ComfoFond Series

Zehnder G4 Filter for ComfoAir 350/550 Zehnder G4 Standard Particle filter, equivalent to MERV 7/8 filter.  Zehnder Part # 9240 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 main
Zehnder G4 Filter for ComfoAir 350/550 Zehnder G4 Standard Particle filter, equivalent to MERV 7/8 filter.  Zehnder Part # 9240 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.   

Cone filter for Zehnder diffusers Ø 100 mm set of air filters complete

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Cone filter for Zehnder diffusers Ø 100 mm set of air filters complete

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, Filters are available for each HRV or ERV in the Zehnder range, as well as for the ComfoWell Filter Casings.These G4 Filters are an equivalent

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