Erlab 391 Captair Smart ductless fume hood. Prefilter and carbon active filter. Air flow speed 0.4 to 0.6 m/s; air face velocity 220 m3/h. LED lighting > 650 Lux. Timer 60 hours. Corrosion and chemical resistant. Audible and visual alarms of low air speed, fan failure and filter breakthrough. External dimensions (WxHxD): 1005x1285x620 mm. Year 2017.