... Clean Booth 1.Cleanliness:100 class 2.Mean flow rate(m/s):less than 0.5 piece/culture container ... and scientific research department of electron, spaceflight, aviation, precision instrument, apparatus & meter, chemical industry, light industry, medicine and ... and space, precision instrument.2 Technical parametersModelParamaterPR-BCB-1225Cleanliness100 class(@≥0.5µm FS209E)Mean flow rate(m/s)≤0.5 ...