AirWorks® Metered Aerosol Dispenser Every commercial enterprise should incorporate some form of ambient scenting as part of its marketing strategy to to increase traffic and customer satisfaction. Statistics and studies indicate that a pleasantly scented commercial space leads to customers lingering longer - And they are more likely to return to the establishment. The AirWorks® metered aerosol dispenser works with all AirWorks® metered aerosol fragrance refills. Use with standard metered aerosol air fresheners to provide continuous 24 hour air freshening. Adjustable level of fragrance. This dispenser allows you to control the level of fragrance with a 8, 15 or 25 minute setting. This dispenser also is available with an anti-theft lock out key (AWMADL). Features Spray timer releases at 8, 15, or 25 minute intervals By controlling the intervals, the products can be used in any space Runs on 2 AA batteries, not included Recommended mounting height is 7 feet (2.1M) from floor and away from ventilation.