Purina Tidy Cats Clumping Litter 4-In1 Strength, Refresh your cat's litter box with Purina Tidy Cats 4-in-1 Strength clumping litter featuring a complex floral scent. This variety is specially formulated to neutralize urine, fecal, ammonia and bacterial odors, leaving your cats' litter box area smelling clean. Powerful clumping action helps make cleanup quick and easy, and the low-dust cat litter formula pours cleanly into each litter box. Put this quad-action clumping cat litter to work in your home, and enjoy guaranteed 10-day odor control when used as directed.