Airflow DV90SCK DV90SE filter Comprises 2 x G4 and 1 F7 9041127 mounted_window and an optional use momentary

and an optional use momentary pull cord to activate the timer

The use of continuous ventilation has increased rapidly as homes become better insualted but can sometimes suffer with additional condensation issues

window or panel mounting

Zehnder P/N 400 100 013

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

Airflow DV90SCK DV90SE filter Comprises 2 x G4 and 1 F7 9041127 mounted_window and an optional use momentaryAirflow 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.