What is the difference between a G4 and F7 filter? – Filter&Co

Filters are one of the most important parts of a ventilation system. But what is the difference between a G4 and an F7 filter for people with a house dust mite allergy or hay fever? You read it here.

Which filter class suits my situation?

G4 F5 F6 F7 F8 F9 Medium Efficiency Pocket Filter - China HVAC

Zehnder Comfod 350/450/550 - Discover at Filter&co – Filter&Co

Which filter class suits my situation?

bauweise - die passivhausseite aus waldbach

Titon HRV 10 - Discover our filter type Titon HRV 10 in the

Filter G4 & F7 difference, meaning [incl. Counselor] – RUKATECH

Air filtration: Air filters for balanced ventilation systems

Air filtration: Air filters for balanced ventilation systems