D.O.P
D.O.P.-(Dioctophylate smoke) Smoke used to test dust spot efficiency of filter media and air purification devices. Generally exactly .3 microns in size.
The Clean Comfort of Preferred Air!
D.O.P.-(Dioctophylate smoke) Smoke used to test dust spot efficiency of filter media and air purification devices. Generally exactly .3 microns in size.