{"product_id":"master-flow-rb10x4x6-universal-register-box-10-in-x-4-in-to-6-in","title":"Master Flow RB10X4X6 Universal Register Box 10 in. x 4 in. to 6 in","description":"\u003cp\u003eThis Master Flow 10 in. x 4 in. to 6 in. Universal Register Box creates a straight, in-line transition from a 6-inch round pipe or insulated flexible duct to a 10-inch by 4-inch air register or grille. Constructed from durable 30-gauge galvanized steel, it provides reliable corrosion resistance and lasting performance in residential or commercial heating, cooling, and ventilation applications. It is easy to install using standard sheet metal screws. The item is in used-fair condition, meaning it shows signs of previous handling or cosmetic wear but remains fully functional for standard HVAC connections. Seams should be sealed with building code-approved mastic or sealant during setup to optimize airflow efficiency\u003c\/p\u003e","brand":"Master Flow","offers":[{"title":"Default Title","offer_id":45936242524346,"sku":"148962","price":9.84,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/1530\/2074\/files\/148962_ai.jpg?v=1780364653","url":"https:\/\/www.loopstone.net\/products\/master-flow-rb10x4x6-universal-register-box-10-in-x-4-in-to-6-in","provider":"Loopstone Store","version":"1.0","type":"link"}