CSI Cyper WSP is a cost effective insecticide that delivers quick knockdown with long lasting residual control. Designed for use in and around buildings and structures, it is approved for a wide range of sites including homes apartments industrial buildings schools hotels restaurants and food manufacturing and processing facilities in non food and non patient areas. The water soluble packet formulation makes application convenient while reducing exposure. Formulated with 40 percent cypermethrin, it effectively controls ants cockroaches fleas flies mosquitoes spiders ticks wasps and many other common pests.