Active Ventilation 12 in. Mill Finish Aluminum No Moving ...
The vertical louvers also keep out insects and animals allowing for optimal air flow. In addition, the round design is aerodynamic to withstand wind speeds up to 200 mph. The Aura Gravity Vent removes hot air in the summer and moisture from the attic in the winter to provide optimal ventilation. ... 12 in. Mill Finish Aluminum Roof Vent No ...