| Simparica Trio For Dogs 44.1-88 Lbs Green 3 Chews. "Simparica Trio is a multi-spectrum monthly treatment that provides all-around protection. The chewable formula provides protection against fleas, ticks, heartworms, and intestinal worms such as roundworms and hookworms."... - Simparica Trio For Dogs 44.1-88 Lbs Green 3 Chews. |