Cool Attic CX2121 Automatic Gable Vent Shutter, High Impact One-piece ABS Cycolac Frame
This Cool Attic Automatic Gable Vent Shutter has a high Impact one-piece ABS Cycolac frame. It is used with the CX1500 or CX1600 gable vents. It is not made for the VX2515Solargabl solar gable fan. The louvers will open automatically when the ventilator is operating. When the ventilator is off, the louvers close to keep out insects, rain and dust.  Ventamatic has provided the ventilation industry with an air of excellence for over 60 years.  The factory is 100% powered by wind generated power, 95% of all waste products are recycled and the packaging is recycled cardboard.