For more than a decade we’ve worked side by side with leading pet experts and top universities researching safe, effective ways to help pets lead happier, less stressful lives. Sentry calming collar for dogs is scientifically proven to reduce the fear of loud Noises, excessive barking, and destructive behavior. This collar releases calming pheromones for your dog for 30 days. Safe and effective for use by dogs of all ages and breeds.Sentry 30-Day Calming Collar for Dogs.Product
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