The bait is carried through the population.
Baits generally lasts longer than sprays.
A foraging roach is guaranteed to receive a lethal dose from a single feeding, but lives long enough to return to the harborage where its poisoned feces are consumed by other roaches. Adheres to any clean surface at any angle-flat or vertical or inverted. Maxforce has USDA authorization for use in federally inspected meat and poultry plants. May be used in residential food processing areas without covering food preparation surfaces during treatment. May be used in occupied rooms of hospitals,nursing homes, and extended care facilities.