Jet foaming shoots 20 ft above ground. Envelops biting and stinging insects in an entrapping foam and drops them instantly. Coats nest for complete kill. Residual action kills insects returning to nest. Water based formula. May be used indoors in places like attics, where nests are commonly built. Also kills hornets, fire ants, spiders (including black widow spiders), scorpions, crickets, ants, fleas, ticks, centipedes, earwigs, flies and mosquitoes. Contains the active ingredients: Tetramethrin (1- cyclohexene-1.2 dicarboximido) methyl 2.2-dimethyl-3 and Sumithrin (3-Phenoxybenzyl) -2, 2-dimethyl-3.