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Merck Sentinel Spectrum Chews for Dogs & Cats$64.99
Sentinel Spectrum is a monthly oral preventive prescription that guards against heartworms, adult roundworms, adult hookworms, whipworms, and prevents the development of flea eggs. It protects your dog against heartworm disease and intestinal worms, all in a palatable, beef-flavored chewable. Proudly sourced directly from the manufacturer or their approved distributor.,Sentinel Spectrum is a monthly oral preventive prescription that guards against heartworms, adult