Keeps killing bed bugs for up to 8 weeks on laminated wood surfaces. Bed Bug Crack & Crevice Extended Protection Foaming Spray: Easy to see where you sprayed. Kills bed bugs where they hide. Will not stain water-safe fabrics and surface. For use on mattresses, wood furniture and carpet. Kills resistant bed bugs (Pyrethroid resistant bed bugs). Kills bed bugs and their eggs. Kills bed bug eggs before they hatch. A family company since 1886. - Fisk Johnson. Questions? Comments? Call 800-558-5252 or write Helen Johnson. No CFCs: Contains no CFCs which deplete the ozone layer.