Ramik 116339 Poison Brute 4 Pound Pack Nuggets Green Rat Mouse and Rodent Killer Ultimate, all weather rodenticide for killing and controlling Norway rats, roof rats and house mice indoors and out. Especially suited for use in wet and damp areas. Green, fish flavored nuggets retain its freshness and effectiveness even in difficult conditions. Contains the active ingredient: Diphacinone. One of a kind, ultimate all-weather rodenticide for controlling rats and mice indoors and outdoors. Especially suited for use in wet and damp areas. Wax free formula.