166917 Scotts Company-Tomcat 370910 Refillable Rat Killer Station, Includes: 1 Rat Station 15-30 gm Blocks, Station Is Child Dog Resistant, Use Inside Or Out, Can Be Used To Kill Mice Too, Clear Lid For Monitoring, Meets Highest EPA Risk Mitigation Standards, Tier 1, Bromethalin Can Kill Within 24-48 Hours, Active Ingredient: Bromethalin 0.01%.