Classic metered aerosol air freshener dispenser automatically sprays fragrance every 7.5, 15 or 30 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.