Amdro Solid Ant Bait Stake, 8-Pack an effective solution to eliminate entire ant colonies with its slow-acting poison that allows worker ants to carry the bait back to their nest. This powerful formula targets a variety of ants including Argentine, Black Carpenter, Cornfield, Little Black, Odorous House, and Pavement Ants. Designed for both indoor and outdoor use, these bait stations are effective against grease, sweet-eating, and fire ants thanks to the active ingredient Hydramethylnon. Conveniently place the stakes in cabinets, under sinks, or behind appliances to maintain a pest- environment. For optimal results, replace indoor bait stations every three months and outdoor stations every six weeks. Each pack contains eight bait stations to help you keep your space protected. Model Number: