Sure-Vent 1-1/2 in. PVC Air Admittance Valve with 20 DFU Branch and 8 DFU Stack (2-Pack)
https://www.probuilderswarehouse.com/shop/1009473163-0-sure-vent-1-1-2-in-pvc-air-admittance-valve-with-20-dfu-branch-and-8-dfu-stack-2-pack-1151141
https://www.probuilderswarehouse.com/web/image/product.template/1151141/image_1920?unique=b31ad15
Brand: Oatey
Model: 39230-1
SKU#: 1009473163.0
Barcode: 313784433
