Now referred to as, Fresh Step Superior Odor Control Non-Clumping Clay Cat Litter, this high-quality, non-clumping clay quickly absorbs liquids and traps odors. It uses activated carbon that provide around the clock extreme odor neutralization. A paw activated fragrance is released every time your cat uses the litter box, providing odor control as needed without being overpowering. To refresh and maintain your litter box, every time you scoop just add more Fresh Step cat litter.