Demon Max Insecticide Demon Max is an industry-proven, multipurpose product featuring the active ingredient cypermethrin. It offers a quick knockdown and residual control of general pests and is a powerful soil pretreatment against termites.Its strength and speed are ideal for cleanout of difficult pests, like spiders and cockroaches Broad label is approved for over 30 target pests Its non-neonicotinoid chemistry offers long-lasting residual control Can be used indoors in crack-and-crevice treatments, and outdoors for termite and general pest control