Sentinel Spectrum brings you another incredible product to safeguard your dog from the numerous parasitic pests launching constant assaults against the big drooling lug. Sentinel Spec. Large Dogs Chews 6pk W is a tasty supply of 6 chewable treats that defend dogs between 22-45kg (50lb-100lb) from:HeartwormFleasEvery intestinal worm species including tapewormYour dog will flip, fly, and slip on the tile floors trying to get at these delicious chewables whenever monthly treatment time comes back around. This makes treatment not only easier than regular topical medications, but a lot more fun for you and your dog.141-333