23.43 in. Silver Square Aluminum Automatic Gravity Shutter Louver Vent for 20.47 in. Exhaust Fan
https://www.probuilderswarehouse.com/shop/1008625108-0-23-43-in-silver-square-aluminum-automatic-gravity-shutter-louver-vent-for-20-47-in-exhaust-fan-1878805
https://www.probuilderswarehouse.com/web/image/product.template/1878805/image_1920?unique=b31ad15
Brand: Tidoin
Model: DHS-YDW1-8249
SKU#: 1008625108.0
Barcode: 322916984
