[Dsg-rich] air filter

[Amrit Yegneswaran]

george, 
i just saw these filters for atlas copco? 
anything useful for oil vapour removal? 
(yeah, i believe you there is none. 
but nonetheless take a looksee) 
also i computed oil molecule size to be ~ 0.6E-10 [m], this is huge. 
if you or anyone knows the oil size let me know. 
amrit 
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