Classic metered aerosol air freshener dispenser automatically sprays fragrance every 15, 30 or 75 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 two C batteries (not included). Holds an aerosol can that lasts 30 days in dispenser.