The Neogen Prozap ProMist'r II is designed to dispense a metered spray for unwanted flying insects. It features a power switch display, 24 hour or day only operation, and three spray interval selections so that you can find your perfect spray setting. When set at 7.5, 15, or 30 minute intervals, the ProMist'r Dispenser can provide up to 30 days of coverage per refill. For use in food handling and preparation areas of restaurants, food processing plants, stores, farm buildings dairies, barns, kennels, factories, hotels, motels, offices, ships, planes (cargo areas only), supermarkets, food warehouses, bottling plants, and milk and egg handling areas of dairies and chicken houses. Packaged with Prozap LD-44T™ for consistent control of flies and other listed bothersome insects. The ProMist'r Dispenser is compatible with most 6.5 oz metered aerosols, including other insecticides and fragrance sprays.