Formulated to attract rats and mice, Havoc Rodenticide is one of the most palatable, weather-resistant baits on the market. Contains Brodifacoum, a second generation anticoagulant. This all-weather bait is effective in the toughest infestations. Comes in ready-to-use place packs. Place packs allow the rodents to eat through the packaging, there is no need to open the pouch. For use in and around agricultural buildings only. Contains 8.2 lbs.