More odor-fighting antimicrobial agents than our Extra Strength formula to meet the demands of multiple cat households. The new New Odor-Neutralizing CARBON Plus formula Grabs & Holds Odor. Odor-Neutralizing Carbon is bonded to premium clay granules. Carbon eliminates odors by grabbing and holding them to its surface. Maximum Clumping Power. Ever Clean super premium clumping cat litter helps prevent liquid waste from reaching the bottom of the litter box where it can decompose and create odors. Ever Clean litter is made from a premium blend of natural minerals and clays. Ever Clean selects only pure, high-quality ingredients.