Fast Acting Odour Control is a reactive cat litter with 60% more odour blockers that are released within 3 seconds, which makes the litter perfect for small spaces. The unique charcoal technology captures, locks and eliminates odours from feces and urine quickly to create a fresher litter box that looks inviting for your cat. Ever Clean cat litter is the first American lump-forming cat litter ever. This lump-forming cat litter has optimal absorbency, which means that the urine does not penetrate to the bottom of the box where bacteria are formed. All grains of cat litter also contain activated carbon, which helps to capture and neutralize the molecules that cause bad smells. This means that you get a fresher scent at home, while less time has to be spent cleaning the box. In addition, the sand is completely natural and allergy-friendly, which makes it gentle on your cat's paws. Captures and locks the odour instead of hiding the odour and eliminates urine, feces and ammonia odour on contact. 60% more odour blockers that are released within 3 seconds. Paw-activated scent is only released when the cat walks on the litter.