- Only one filter is required for the fresh supply air into your building.
- Suitable for Blauberg Vento Expert A50 single room heat recovery ventilation unit only.
- F7 Grade – A high grade synthetic air filter down to PM2.5 (Particulate Matter), pollen & mould spores, fungi, bacteria and viruses.
- Use original Blauberg filters to maximise the efficiency of your heat recovery unit.
- Long life double pleated filter cassette for better value for money.