5-1/2 in. x 7-1/2 in. Foam Vent Plug (2-Pack)
https://www.probuilderswarehouse.com/shop/723489-0-5-1-2-in-x-7-1-2-in-foam-vent-plug-2-pack-398965
https://www.probuilderswarehouse.com/web/image/product.template/398965/image_1920?unique=b31ad15
Brand: Gibraltar Building Products
Model: DVBPSM-EA
SKU#: 723489.0
Barcode: 202217265
