White-Rodgers F825-0635 activated carbon post filter for ComfortPro series. This filter mounts behind the collector cell and before the fan. This filter is sandwiched in the blue plastic post filter frame.
The activated carbon absorbs odors and fumes and should be replaced 3-4 times a year. For heavy smoking areas the heavy duty carbon filter is recommended.
The carbon filter complements the collector cell that captures the particulate by capturing the noxious gasses. The carbon is finely ground resulting in over a million square feet of surface area. The carbon is impregnated into the filter media and heat set. There are no loose granules, the filter can be rinsed or vacuumed.
Vapors are pulled by molecular action in to tiny pores and held. In manufacturing the carbon, the activation process creates millions of micropores. The pores are sized and formulated to remove common VOC's.
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