Krachtig en meerlaags filter voor three-voudige reiniging van lucht: filter voor grof stof, filter H13 en actieve koolfilterDo you know the way silent a whisper is? Whispering provides a seem strain of approx. 30 dB(A). That is definitely louder than our Aerostyle equipment at the lowest setting. And typically you wouldn’t sit correct beside them… Read More