Dr. Elsey's R&R Respiratory Relief Clumping Cat Litter is designed for cats that are sensitive to dust, fragrance, and stress in the litter box. This hypoallergenic, low-dust formula contains no plant proteins, no perfumes, and no added deodorants, so there's less in the box to irritate your cat — or you. A dirty or unpleasant litter box is one of the most common sources of stress for cats, and stress can lead to litter box avoidance and inappropriate elimination. R&R combines enhanced odor control, a low-dust clay base, and naturally derived herbal essences to create a calmer, cleaner litter box your cat will want to keep using. The hard-clumping formula makes scooping quick and keeps the box fresher between changes, so maintaining a clean box takes less work. Like every Dr. Elsey's litter, R&R is made and backed by more than 35 years of feline-only veterinary expertise.