Airflow DV90SCK DV90SE filter Comprises 2 x G4 and 1 F7 9041127 mounted_window 'X' suffix models also have

'X' suffix models also have powered electric anti-backdraught shutters 251410

Zehnder P/N 400 100 013

Lo Carbon Quadra TP (Timer/Pullcord) One Fan fits all Centifugal Fan

Zehnder P/N 400 100 086

window or panel mounting

Airflow DV90SCK DV90SE filter Comprises 2 x G4 and 1 F7 9041127 mounted_window 'X' suffix models also haveAirflow DV90SCK DV90SE filter Comprises 2 x G4 and 1 F7 Filters 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.