{"product_id":"spring-loaded-back-draft-damper-roof-cap","title":"Spring-Loaded Back Draft Damper Roof Cap","description":"Spring-Loaded Back Draft Damper Roof Cap is designed for use with 3-1\/4\" x 10\" ducts or 8\" round ducts, providing efficient ventilation control. This product features a spring-loaded back draft damper combined with a bird screen to prevent unwanted debris and pests from entering your duct system. Constructed from durable galvanized steel, it is finished with a black baked enamel coating that ensures long-lasting protection against the elements. This roof cap is a reliable choice for maintaining proper airflow and protecting your ventilation system.\n\nModel Number: 634","brand":"Broan-NuTone","offers":[{"title":"Default Title","offer_id":46632466120867,"sku":"265162","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/2469\/7763\/files\/928b105cb00296aa253cd1c505e05f223a1494ea_265162_1_H.png?v=1776496067","url":"https:\/\/www.hartvillehardware.com\/products\/spring-loaded-back-draft-damper-roof-cap","provider":"Hartville Hardware","version":"1.0","type":"link"}