Deliver powerful odour protection with Tidy Cats 4-in-1 Strength lightweight cat litter. Formulated to attack and neutralize cat litter odour caused by ammonia, urine and fecal odours, this cat litter leaves your home smelling fresh, clean and ready for your feline friends. Formulated for households with multiple cats, this 99.9% dust free litter prevents ammonia odour for 14 days guaranteed, when used as directed.