W400 Wall Air Inlet

W400 Wall Air Inlet Cost Effective Way to Ventilate

The W400 Wall Air Inlet is a versatile, all-season inlet that offers air direction control through the use of its bottom deflector louver. The W400 can be mounted to control airflow through a wall by framing in an opening. The W400 inlet has a bottom deflector louver that is used to direct airflow and, if desired, to shut off the inlet.