Duka & Villavent Top Plus 200/225/230 eller Fläktwood VUT 160 V eller Buccma BE TOP 150 StandardfilterStandard filter for your Flktwood VUT 160 V ventilation system. The filter is in filter class G4, which is within coarse filtration. With this filter, you can remove the larger particles, such as dust and dirt. A standard filter is especially good for keeping your system free of dust and dirt. If you want to remove small harmful particles from your indoor climate, we recommend a fine filter on the intake side, such as a pollen filter. The standard