Contains 0.50% Pyrethrins for quick kill and 5.0% PBO for instant knockdown of a wide range of agricultural flying insects. Use as a premise spray or directly on animal. Kills and repels stable flies, horse flies, face flies, deer flies, house flies, horn flies, gnats, as well as a wide variety of crawling insects. Kills and repels mosquitos. Labeled for use on cattle, in animal quarters, milk rooms, and food processing plants. 17.6 oz. can.