Demon WP Insect Killer insecticide is a general surface, crack and crevice and/or spot treatment for residual and contact control of ants, carpenter ants, cockroaches, crickets, spiders and other insect pests. It's for use by commercial applicators in, on and around buildings and structures for the control of listed pests. The Demon wettable powder can be used on lawns, ornamental trees and shrubs around residential, institutional, public, commercial, agricultural and industrial buildings, parks recreational areas and athletic fields. The active ingredient in this product is cypermethrin. This wettable powder insecticide comes in a box of four 9.5g water-soluble packets. Easily control pests at home or on rental properties without having to hire a professional to spray. Apply with a pressure sprayer, when needed. The Demon WP Insect Killer product may be the solution to home pests.