... CE marked, stable performance, safe and reliable Sound-absorbing materials, reducing noise Features:1.Meeting CE standards,Stable performance,safe and reliable2 ... safer air to the patients4.High effective sound-absorbing materials,noise reduction5.Equipped with various ventilator of famous brand in ... 0.45Mpa2.Output Flow(Continous):≥40L/min3.Peak Flow: ≥180LPM4.Noise:<55dB(A)Filter:5u5.Dew Point:≤5°C