{"product_id":"master-flow-4-in-round-wall-vent-in-black","title":"Master Flow 4 in. Round Wall Vent in Black","description":"\u003cp\u003eThis Master Flow 4-inch round wall vent is designed for the outside sidewall termination of various home ventilation systems, including kitchen and bath fans, range hoods, microwave venting, and dryer exhausts. Constructed from durable galvanized steel with a sleek black finish, it features a built-in pest screen and a gravity-controlled damper to manage airflow and prevent backdrafts. The unit is designed for easy installation and is compatible with standard 4-inch round ducting\u003c\/p\u003e","brand":"Master Flow","offers":[{"title":"Default Title","offer_id":45783014670522,"sku":"203804","price":35.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/1530\/2074\/files\/203804_ai.jpg?v=1777575989","url":"https:\/\/www.loopstone.net\/products\/master-flow-4-in-round-wall-vent-in-black","provider":"Loopstone Store","version":"1.0","type":"link"}