Quad, 2 Pack, 135mg, Large Dog Dewormer, Helps To Remove 4 Kinds Of Common Worms, Safe, At Home Treatment Removes Common Tapeworms, Hookworms, Roundworms & Whipworms, Chewable, Tablet Form Is Easy To Administer Directly In The Mouth Or Masked In Food, Contains The Active Ingredients Praziquantel, Pyrantel Pamoate & Febantel, No Prescription Required, Safe For Dogs Over 45 LB & 3 Weeks Of Age.