Gold Series roach killer. Dry penetrating formula gets to roaches where they hide, flushing the roaches out to die. Effectively eliminates cockroach populations by preventing reproduction. Odorless and nonstaining formula. Also kills ants, mosquitoes, and spiders. Contains no CFCs (chlorofluorocarbon) or other ozone depleting chemicals. Lasts up to 6 months residual effect. Active ingredient: 2% Permethrin. 11 ounce can.