Question: The display values ​​"Gas" are not specified in any way, see User Man p.36. Note a. "CO" / "Radon", p.38 "Gas pollution" & p.41 "Gas concentration" (incl. VOC, smell, etc.). The information is nonsense when it comes to avoiding potentially massive health risks. The answer to my request more than 4 weeks ago was: "Thank you for your message. We will contact you within a few business days. ?????????

This was helpful (0) | Asked for Philips AC4236 Air Purifier
Dr.med Air 30-08-2021
It would definitely be desirable to indicate the "general gases": (Co2? Nitrogen? Benzene? Aromatic hydrocarbons? Chlorine? Phophate? It's really great that the air quality is measured at the same time and not just the particles. So my suggestion for improvement: at least in the operating instructions, specify the gases that could be hidden behind the display "L4" in order to eliminate them if necessary. Very good development from Philips - I am actually very convinced.

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