Combat Max 12 Month Roach Killing Bait, Small Roach Bait Station, 18 Count Start killing small roaches in hours and prevent them from returning for up to 12 months. Easy-to-use, no-mess baits do not require activation. Simply place them where roaches are found and relax while they kill non-stop--day and night. Best used in areas like under sinks, behind toilets, and behind appliances, killing the ones you see and the ones you don't and destroys the nest. 18 child-resistant bait stations are included. Place additional baits about 1 feet away. Place baits carefully so they are touching walls or corners