Cyper WSP is an economical insecticide that is non-staining and odorless. Cyper WSP is the best insecticide to kill scorpions, black widows and other spiders because it is a larger crystallized formulation. Contains 40% Cypermethrin.  One pound container with 49 water soluble packets.  

Can be used in and around buildings and structures, industrial buildings, houses, apartment buildings, laboratories, buses, and nonfood/feed areas of stores, warehouses, vessels, railcars, trucks, trailers, aircraft (cargo and noncabin areas only), schools, nursing homes, hospitals (non-patient areas), restaurants, hotels, and food manufacturing, processing, and service establishments