Providing make-up air for exhaust devices is easy, controlling it is not – until now. BROAN® LinkLogic® Make-Up Air Dampers, when interlocked with slave dampers, open in unison to provide synchronized operation for kitchen, bath and whole house ventilation products. For use with SmartSense® ventilation fans and select BROAN® range hoods to provide balanced indoor air pressure. LinkLogic® installs in any electrical box for simple installation. The intelligent design options ensure optimum performance in a variety of installations and applications.