New Maxforce granular fly bait contains Imidacloprid, a new active ingredient for fly control. Kills more flies faster. Four powerful attractants — irresistible aroma, seductive pheromone, color and sugar base — lure flies to their death. Long-lasting control Maxforce granular fly bait kills flies for up to 30 days for consistent fly control between applications. It's available in convenient 5-lb. re-sealable plastic pails. Responsible fly control!  Maxforce fly bait has a low toxicity in non-target animals, and the formula also contains Bitrex™ bittering agent.