Another good thing would be cleaning off door knobs and things like that.

Sometimes I wonder if the human race isn't collectively as mad as a sack of door knobs.

Environmental bacteria and viruses are so prolific they're on everything.

It looks like paper and in a pleated form and they're one inch thick.

Controlling your air flow. Making sure it's clean and low humidity. Those are key issues.

If you're looking for good air quality, this isn't the way to get it.