Lomanco LomanCool 905W Adjustable Louver, 57 to 117 sq-in Net Free Ventilating Area, Aluminum, White, Roof Installation

The Lomanco Series 900 adjustable louversfit roof pitches of 2-1/2/12 to 9/12. The ingenious design actually forces the louver blades to pivot, changing angle as the unit is adjusted. This permits maximum air flow capacity while assuring optimum protection from the weather.
Unit: EA
UPC: 035358019107
Model Number: 905W