air conditioner

lick  image for details)
Gray Matter
outperforms 3M's FiltreteTM,
 an electret which contains no odor adsorbent.



Any air conditioner may be converted into a room air cleaner which traps allergens, traffic fumes, smog and odors.

- remove the ineffective sponge/screen "filter"
- r
eplace it with
Gray Matter media
- turn fan ON

- puff electret to a light gray with CBP

- use normally with outside air vent closed


Richard Kunz, chemist
719 635-1325