Read entire label before each use. Use only on cats. Directions for Use: It is a violation of Federal law to use this product in a manner inconsistent with its labeling. Remove collar from package, un…
Ingredients
Active Ingredient: Tetrachlorvinphos (14.55%), (S)-Methoprene (1.02%). Other Ingredients: (84.43%).
Contains an organophosphate that inhibits cholinesterase; contains tetrachlorvinphos (an organophosphate), which is a cholinesterase inhibitor
