Automatically draws fresh outside air into your homes ventilation system.
This equalizes the static pressure within your kitchen and throughout your home and increases the effectiveness of your range hood''s ventilation system.
Automatically opens and closes once your range hood has been engaged or disengaged
For use with Zephyr range hoods operating at over 300 CFM.
Satisfies International Residential (IRC) Code M1503.4.
Kit includes make-up air damper housing with motor, pressure switch components and transformer.
