Impressive clouds of cool fog supply ample humidity to your walk-in humidor or cigar store room. MaxiFogger plugs directly into the included digital humidistat controller. MaxiFogger is a direct replacement for the Trion Herrmidifier . It is designed to humidify up to 300 sq. ft. MaxiFogger is a direct feed system requiring water that is filtered to remove minerals. MaxiFogger is fitted for a ¼ flexible tubing water line.