Prowler, Bait Chunx 15gm Bait Chunx 4 lb pail. 15gm Chunx designed to be used in Tomcat bait stations. Multi-edge shape gives rodents gnawing edges. Mice & Rats usually consume a lethal dose in a single nights feeding and cease feeding after consuming a toxic dose. Made with Bromethalin, an acute active ingredient to achieve results with less bait vs anticoagulants