Horizontal flow clean bench is widely used in Electronics industry,Defense precision instruments,Biopharmaceutical,Food Processing such places where require air of high quanlity.It is a versatile air purifier can provide local clean so as to improve the quanlity and Yield of products. Model type QX-1040 QX-1340 QX-1640 QX-1950 Appearance size 1040*900*1450 1340*900*1450 1640*900*1450 1915*740*1460 Workspace sizw 900*650*600 1200*650*600 1500*650*600 1895*480*610 Purification level Class 100(ISO14644-1 International Standard) Wind(m³/h) 900 1200 1500 1800 Speed(m/s) Average 0.45+/-20% Efficiency 99.99%@0.3μm Size 915*610*69 1220*610*69 610/915*610*69 915*610*69 Quantity 1 1 1-1 2 Noise test position 20cm in front of bench/1.2m at the high of ground Worktable Material 304Sanding stainless steel Power 220V,50Hz Noise <58dB <58dB <60dB <62dB Number 1 1-2 2-3 3-4