THE SMOG SITUATION AND THE NEW ARTICLE ON FILTERS
Smog is suffocating Prague and Moravia!
http://www.tyden.cz/…/smog-dusi-prahu-a-moravu-ridici-by-ne…
Ventilate with heat recovery and at least breathe clean air at home. We have written an article about this issue for you in our consulting room, which describes the risks associated with flying dust, filtration classes, etc.
http://www.luftuj.cz/clanky/filtry-pro-rekuperaci/