Odorless. Non-staining. Flushes & kills. Kills roaches as they hatch. Innovative dry spray- no odor - no mess - no roaches. The dry powerful spray penetrates deep into cracks and crevices to drive roaches out to die. Kills insects you see and those you don't. Powerful flushing action drives insects out of hiding and kills them. Dry spray carries the killing ingredient to the roaches.