The Durvet Triple Wormer for Medium and Large Dogs is a 12ct pack of white tablets containing Pyrantel pamoate as the main ingredient. Specifically designed for dogs weighing 25.1-200 lbs, this formulation is effective in deworming them. The beef-flavored tablets are easy to give and are suitable for breeds like the Affenpinscher. With an expiration date of 08-26, pet owners can trust in the quality and effectiveness of this triple wormer product from Durvet.