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![Photo 1 of 12" x 12" Duct Hole [13.6" x 13.6" Face] Aluminum 1-Way Vent Cover: Adjustable Curved Blade Air Supply Diffuser - Plastic Seal for Tight Fit, Quiet Air Flow, Multi-Shutter Damper](https://images-na.ssl-images-amazon.com/images/I/71iDFoUTLLL.jpg)
![Photo 2 of 12" x 12" Duct Hole [13.6" x 13.6" Face] Aluminum 1-Way Vent Cover: Adjustable Curved Blade Air Supply Diffuser - Plastic Seal for Tight Fit, Quiet Air Flow, Multi-Shutter Damper](https://firebasestorage.googleapis.com/v0/b/nellishr-cbba0.appspot.com/o/processing-photos%2F1036212586%2FJ4wWi2jyCCeJ_4spZlCe0.jpeg?alt=media&token=a8f7a7e6-5d5a-4c49-9572-6c4a20371a57)