Kills on contact! Kills up to 12 weeks. Reduces 99.9% of germs (Staphylococcus aureus and Klebsiella pneumonia on hard , non- porous, non-food contact surfaces. No residual sanitizer action. Not for primary use as a sanitizer.) insects may leave behind. Guaranteed to work. Kills cockroaches, ants, carpenter ants, crickets, firebrats, fleas, silverfish and spiders. Use as a Spot Treatment Indoors: Along & behind baseboards; Around & beneath appliances; Beneath & behind sinks. Other Areas Where Insects are Often Found: In cracks & crevices; around pipes & plumbing; around waste containers; in dark corners of rooms, cabinets & closets. Contains no CFCs or other ozone depleting substances. Federal regulations prohibit CFC propellants in aerosols. Notice: To the extent consistent with applicable law, buyer assumes all responsibility for safety and use not in accordance with directions. Visit our website at www.hotshot.com.