Moffitt Corp.’s Labyrinth ventilation system is a natural ventilator that removes heat and allows light in without letting rain or snow inside the facility. The ventilator is suited for aluminum, steel, glass and process industries, as well as power plants and waste incinerators. It is a compact, roof-mounted, natural louvered exhaust ventilator for retrofit or new construction. Aerodynamically designed louvers provide continuous weatherproof ventilation. (904) 241-9944; www.moffitthvac.com.