Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Normal
This is just so surprising... The bags are tested to filter 97% of .5 microns and 94% of .3 microns. I don't see how that much could get thru. Could it be coming from outside the bag as the air swirls around the bag?
