CrossFire Aerosol’s patented formula has multiple modes of action and is one of the leading bed bug products. It has two active ingredients plus a synergist to provide long-lasting control that keeps working even after you leave. CrossFire works fast with residual control, beginning within minutes of exposure. It kills pyrethroid-resistant bed bug strains at all life stages, including eggs. You can save time and money with CrossFire’s fast knockdown and kill, the company says.