Airflow DV110SE Ventilation Unit filter 2 x G4 and 1 x F7 vent-axia-filters-cat-56 Zehnder P/N 400 100 084

Zehnder P/N 400 100 084

A fan which has been designed to be totally flexible and multi functional

Greenwood inline silent fans are 70% quieter than standard axial fans when operating

150mm high performance

UPG) which is designed to filter the same particles but at a higher efficiency of > 60%

Airflow DV110SE Ventilation Unit filter 2 x G4 and 1 x F7 vent-axia-filters-cat-56 Zehnder P/N 400 100 084Airflow DV110SE filter 2 x G4 and 1 x F7 G4 filters are of courser grade and designed to prevent insects, leaves and other small debris from entering the home. F7 Filters are fine grade and designed to capture small and often invisible particles such as pollen spore, bacterium and dust.