Champion Sprayon Metered Insecticide Spray is a highly concentrated formula that controls flies, mosquitoes, gnats and small flying moths in a 6,000 cubic-foot area. A single can will last for 28 days when sprayed around the clock at 15-minute intervals. Flying metered insecticide Highly concentrated formula Effective up to 6,000 cubic feet Last 28 days when sprayed at 15-minute intervals Actives: Natural pyrethrins Dispensers available in 3 models Recommended uses Ideal for dairies, barns, canneries, breweries, manufacturing plants, restaurants, hospitals, stores, motels, schools and other public buildings.