Airflow DV150SE Ventilation Unit filters 2 x G4, 1 x F7 9041129 443351-403702-Filter Designed for use in cold

Designed for use in cold spaces such as lofts to help prevent hot moisture laden air extracted from bathrooms condensing in uninsulated ducting and causing problems with leakages

A 2 minute delayed start - leaving a delay of 2 minutes before the fan operates - ideal for quick night time visits to the toilet

BH and Cooker hood units

1 x F7 - G4 filters are of courser grade and designed to prevent insects

Airflow DV150SE Ventilation Unit filters 2 x G4, 1 x F7 9041129 443351-403702-Filter Designed for use in coldAirflow DV150SE Ventilation Unit filters 2 x G4, 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.