"Odor Ban" pelletized medias are the best choice for areas with high concentration of odors, fumes, or gases. The granular form provides tremendous holding capacity and service life. "Odor Ban" pelletized medias are carbon, KOH, KMN04, zeolite and antimicrobial zeolite. Sold in bulk to refill existing filter housings. Housings, trays, and DVB's also available.