OdorHog carbon bags can be replaced while the filter remains on the vent stack, we recommend replacing every 2 years for optimum performance
Mesh bag design makes changing the carbon a breeze, our larger carbon bag are only for use with a 4" OdorHog
Our activated, pelletized carbon is treated with freeze protectant, for cold weather
Easily remove the mushroom cap by unscrewing 3 screws halfway out and then lift off cap. Place bag inside, ensuring the carbon inside mesh bag is evenly seated, so no odors escape up from the sides of the vent stack. Replace the cap on top, and you are done. Starts working immediately
