Replacement Carbon Air filters for AIR SCRUBBERS for pollutants and smoke - similar to those in smoke eaters in Bars or restaurants by Camfil- Farr. Each filter contains about 7 lbs. of Activated Coconut shell Carbon. You can easily remove and replace Activated Carbon in your Amway or other Air Filters too. Good for Fresh air ventilators into the home or HRV or ERVs. Also good for fumes or odors in Hospitals, Daycare, Chemical manufacturing/ assembly areas, public buildings, plants or stores, etc. $15 each, discount for bulk sales. $80 for case of 6. These are low flow- approx. 150 cfm per filter. Typically enough for a filter hood, welding/solder station or air flow bench filter. Or use several in the same panel for higher airflow.