Combat® Ant Killing Bait Stations arms your facility with proper ant control. These baits are formulated with Hydramethylnon, an effective insecticide that will kill the queen and the entire colony of ants. These easy to use, no-mess baits need no activation. Simply place them down and they will even kill ants you don't see. Best used in areas like under sinks, behind toilets, and behind appliances, Combat® Ant Killing Bait Stations kill ants in a domino-effect and eliminates the source of the infestation.