The Air Wick air freshener treatment kit includes a metered dispenser, 2 AA batteries and metered aerosol refill. Features: Automatically neutralizes odors in the air from odor-causing bacteria: bathroom, kitchen, office and more. The dispenser offers 3 time settings at 9, 18 or 36 minutes. Each refill contains 2400 sprays and will last up to 60 days for a continuous fresh smell. Refill size: 182 mL