Venting

{"catalogEntry": { "catalogEntryIdentifier": { "uniqueID": "200339113", "externalIdentifier": { "partNumber": "172906" } }, "description": [{ "fullImage": "/images/product/images/172906_med.gif", "shortDescription": "Vogelzang Anti-Backdraft Damper — Model# AD-8", "longDescription": "8" damper works with 1500 or 2500 Norseman furnaces, Item#s 161620 and 173614. Prevents backdraft into the furnace plenum. Spring-activated for proper action." }], "offerPrice": "Only $51.99", "wasPrice": "", "salePrice": "", "productRating": "", "productNumRatings": "0", "shippingStatus": "In Stock" }, "catalogEntryURL": "http://www.northerntool.com/shop/tools/product_200339113_200339113" }