ARM & HAMMER Multi-Cat Clean Burst clumping litter has a fresh and clean scent that helps refresh litter even when you can t scoop. This cat litter combines powerful ammonia neutralizers and baking soda crystals to eliminate the toughest odors. It provides hard clumping for easy scooping in a formula that’s 99.9% dust-free and low tracking. Large size 40 lb box of cat litter. Also available in unscented.