Classic metered aerosol air freshener dispenser automatically sprays fragrance every 15 minutes. Each metered spray eliminates offensive odors while leaving behind a long-lasting freshness and inviting scent. Effective odor control for up to 30 days when used with Boardwalk Air Freshener Refills which are sold separately. Operates on four AA batteries (not included). Holds a 5.3 oz. aerosol can that lasts 30 days in dispenser.