Fresh Step Ever Clean EverFresh Cat Litter with Activated Charcoal One 25 lb. carton of Ever Clean Ever Fresh Litter with Activated Charcoal, Unscented Activated Charcoal eliminates odor on contact Activated Carbon is both bonded to and mixed within the litter granules Contains an antimicrobial agent that inhibits the growth of bacterial odors on the litter Unscented formula is easy on sensitive noses