Insect growth regulator inhibits re-infestation of fleas for up to 7 months. Breaks life cycle of fleas, roaches, flies, ants, mosquitoes, gnats, and crickets. Can be used on carpets, rugs, furniture and draperies. Active Ingredients: 2-[1-Methyl-2-(4-Phenoxphenoxy) Ethoxy] Pyridine