auto cabin


If cabin air is circulated past
Gray Matter media, road dust and allergens, as well as smog and traffic fumes, are subtracted from the air one breathes.

for cars with
a cabin air filter:
cabin fan ON
recirc ON
- 4 puffs of CBP under dash
- Drive with recirc ON.

for cars with recirc only: 

- Tuck 6"x12" strip of
Gray Matter media under dash.
- Drive with
recirc ON.

Your Car's Configuration

Richard Kunz, chemist
719 635-1325