AI: 0.05% Lambda-Cyhalothrin, 0.36% (S)-Hydroprene. Gentrol Complete Aerosol is new and improved. It is a potent broad-spectrum insecticide formulated to kill and control tough to control insects pests both indoors and outdoors. This insecticide is a combination IGR (Insect Growth Regulator) and Adulticide. IGR works on contact by breaking and disrupting the life cycle of the insect's future generations. While Adulticide immediately knocks down pests in the adult stage which instantly disrupts the reproduction process. It features (S)-hydroprene, a hormone mimic that controls insects by interfering with normal hormone levels to prevent growth and/or maturation. With the combination of Lambda-Cyhalothrin, it provides control of German cockroaches, drain and fruit flies, stored product pests and others listed. It is low-odor for better tolerance during application and has been approved for use in sensitive areas.This particular product comes in a 18-ounce aerosol spray can.