Mainstays concentrated gel formula works quickly and continuously to keep your closet smelling fresh by neutralizing offensive odors. One Mainstays Odor Eliminator can treat up to 80 cubic feet of space - just place it in your closet, office, locker, chests, drawers, bathroom, storage unit, or anywhere you'd like. Breathe easy with Mainstays Charcoal Odor Eliminator!