Air is drawn through a HEPA filter and blown in a very smooth, laminar flow towards the user.

So when Our edict came , We made its topmost part its nethermost , and We rained on it stones of laminar shale ,

I mean, if I just go through some of them now I know about laminar flow when it comes to air piercing objects, and that does it consummately well, you can see it can.

See also Laminar flow cabinet Vented Balance Safety Enclosure ECO Funnel References External links Northwestern University Office for Research Safety The Chemical Fume Hood Handbook Lab Manager Magazine CAV, RAV VAV University of Louisville's Chemical Hood User's Guide Information from the University of Bath in the UK The Fume Hood Resource Center by Lab Manager Magazine University of Toronto's Guide to running a sash shutting campaign