Krachtig en meerlaags filter voor 3-voudige reiniging van lucht: filter voor grof stof, filter H13 en actieve koolfilterDo you know how peaceful a whisper is? Whispering produces a sound force of approx. 30 dB(A). That is actually louder than our Aerostyle products at the lowest setting. And frequently you wouldn’t sit ideal next to them.Por que