Will the G4 Carbon filter protect me from my neighbors burning wood?
The activated carbon particles in the G4 Carbon filter material are designed specifically to trap odours. The filter material itself is also denser than M5, but less dense than F7: Filtering class EN 779:2012 Filtering class ISO 16890 Recommended replacement frequency G4 Coarse 65% every 6 months G4 Carbon ePM2.5 60% every 4 months M5 […]