Airflow BV400 Ventilation Unit Fine Filter 1 x F7 90000323 duct_diameter_100mm This 100mm version is fitted

This 100mm version is fitted with:

Greenwood Vireo HR185EX Heat exchanger cube Filter

Vent Axia VA 100SVX 12 Low Voltage SELV bathroom extractor fan

+ it a kit for window installation

Vent Axia VA100LP bathroom extractor fan with pull cord

Airflow BV400 Ventilation Unit Fine Filter 1 x F7 90000323 duct_diameter_100mm This 100mm version is fittedAirflow BV400 fine filter 1 x F7 fine particle filter Fits Airflow BV400 Unit SKU: 90000323 This is a fine grade F7 filter designed to prevent small and often invisible particles such as pollen spore bacterium and dust particles, from entering the home. Courser G4 filters are also available designed to filter larger items such as insects, small leaves and other airborne debris see model reference 90000322