Airflow DV110SE Ventilation Unit filter 2 x G4 and 1 x F7 150-350 'X' suffix models also have

'X' suffix models also have powered electric anti-backdraught shutters 258310DB025

Quiet operation

The Select AXSK is a basic single speed axial fan with anti-backdraught shutters and built in guide vanes to improve airflow

bathrooms and kitchens (when installed in-line with Building Regulations)

'X' suffix models also have powered electric anti-backdraught shutters 251310

Airflow DV110SE Ventilation Unit filter 2 x G4 and 1 x F7 150-350 'X' suffix models also haveAirflow 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.