Avenger Roach Tablets are designed to kill roaches and other crawling pests and prevent them from spreading. These tablets kill ants, roaches, waterbugs and silverfish, eliminating them at the source of the infestation. Use Avenger Roach Tablets anywhere throughout your home in areas such as behind refrigerator, stove, sink, dishwasher, washing machine, dryer, tubs, pipes, electrical conduits and more. Please read the instructions before using.Kills roaches, water bugs, ants and more EPA approved and tested Long-lasting, non-staining and odorless formula Contains 40% boric acid Easy to use tablets Read the instructions before using Keep out of the reach of children