Fireback Bed Bug and Insect Spray-Bed Bug and Insect Spray is part of the newest formulation from Nisus and their FireBack line of products. Fireback Bed Bug and Insect Spray provides a quick knockdown and a long term residual in one aerosol can. Bed Bug and Insect Spray will provide up to a 3 month residual indoors and best of all it is highly effective against bed bugs. Combined with a broad treatment label and a wide variety of pests that it can treat, Bed Bug and Insect Spray should be a part of any pest control treatment programs arsenal. Packaged in 17oz cans. 12 cans to a case.