Interceptor Chewable Tablet for Dogs and Cats, 6.1-12 lbs Cat / 26-50 lbs Dog, (Yellow Box)

Protect your pet from heartworm and intestinal worms. One monthly tablet keeps both dogs and cats safe from heartworm disease. Powerful protection against heartworms and intestinal parasites.You may also like Iverhart Max Chew for Dogs, 50.1-100 lbs.