Jet foaming technology envelops biting and stinging insects in an entrapping foam that drops them instantly. Coats nests for complete kill. Residual action kills insects returning to the nest. Water-based formula. It contains no CFCs. It may be used indoors in places like attics, where nests are commonly built. Shoots 20 feet above ground. About Bonide: Bonide has been trusted since 1926 as the leader in providing the best possible products and solutions for home, lawn, and garden pest problems. Based out of Oriskany, New York, we continue to grow our reputation as a leader in the lawn and garden care categories by delivering the highest quality products alongside our great customer service. Our goal is to help consumers throughout their entire purchasing process by recognizing signs of trouble, developing the best solutions, and recommending the perfect products.