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Purina CN is a canned wet food sold in 5.5 oz cans and marketed for both dogs and cats, with a formula positioned for kidney and urinary tract support. It is a veterinary-style diet, so it is best used under a vet's guidance rather than as an everyday food picked off the shelf. The dual dog-and-cat labeling is unusual; most therapeutic kidney diets are species-specific, so check that the formula matches your pet and its diagnosis. Compared with prescription kidney diets from Hill's and Royal Canin, it offers a similar wet, high-moisture format but less species-specific formulation and fewer published feeding details.
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Lowest price we've seen: $85.99 on Nov 10 at Tractor Supply Co. Tracked across 1 store since Nov 10.
