R&R® Respiratory Relief Litter – Low Dust, Hypoallergenic, Hard ClumpingR&R Respiratory Relief Litter is specially formulated for cats with respiratory sensitivities. This low dust, hypoallergenic litter is made without plant proteins, perfumes, or deodorants, helping reduce airborne irritants that can aggravate respiratory conditions. Now with improved odor control and stress reducing herbal essences, this hard clumping litter helps create a calmer litter box environment. Odors and dirty litter boxes can increase stress,