Krachtig en meerlaags filter voor three-voudige reiniging van lucht: filter voor grof stof, filter H13 en actieve koolfilterDo you know the way quiet a whisper is? Whispering generates a sound pressure of approx. thirty dB(A). That is actually louder than our Aerostyle gadgets at the lowest environment. And usually you wouldn’t sit suitable next … Read More