PF Harris 16 oz. Aerosol Bed Bug Black. It kills even the toughest pyrethroid resistant bed bugs. Spray bugs directly when possible. Apply on & around bed frames, headboards, floors, carpeting, baseboards, furniture, moldings, ceiling, & walls. For infested mattresses, apply to tufts, folds, edges, sides & seams until moist. Allow to dry before remaking bed. For infested furniture, apply only to tufts, seams, folds & edges. Also for spot treatment of luggage, closets, drapes, & other window or wall appointments. Active Ingredients: Imidacloprid.