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Pre-Filtration Filter Indoor work leads to an increased concentration of aspergillus. In order to protect the high efficiency particulate air filter inside the unit during building activities, pre-filtration frames with filters are added to the outside of the device. The life- time of the high efficiency particulate air filter inside the unit is therefore largely extended. The prefilters are supplied in packages and are easily changed. The PRO air purification unit with pressure adapter generates, depending on the way it is installed, a positive or negative relative air pressure in the room. Pressure differences up to 10 Pascal can easily be obtained.
- Filter detection by ID code (filter condition)
- Remote Control by key switch (security)
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