Tomcat Bait Chunx Pail 4 LB Brought to you by the professionals at tomcat the chunks rodent bait is specially designed to kill anticoagulant-resistant Norway rats roof rats and house mice. Utilizing bromethalin as the active ingredient the bait is extremely powerful and because of such is only safe for use in agricultural and rural settings. The Tomcat Rat and Mouse Killer Child and Dog Resistant Refillable Station effectively kills up to 3 rats with one bait block while providing Tomcat s highest level of station security. Effectively kills rats and mice. Resistant to tampering by children and dogs the reusable station gives nice easy access to bait and keeps fingers and dog paws out. The bait station is also weather-resistant making it the ideal station for indoor and outdoor use. Also includes a see-through window for easy monitoring of bait so you always know when you need to re-fill your station. Bait stations are easy to use allowing placement in small places like entry and garage doors below windows near utilities and any other areas where rats and mice tend to hide. Based on no-choice laboratory testing.