carbon filters

activated carbon air filters
(typical)

Trapping smog, tobacco smoke, cooking, pet and other household odors is the goal.

Activated carbon (AC) filters
- for HVAC use, cost $4 - $6 / ft²
- cost even more in room air cleaners
- become saturated in a short time

Understandably, they are not widely used.

Gray Matter ^® media and air filters are composed of MERV 8 electrostatic media coated with CBP adsorbent.