{"product_id":"master-flow-8-in-x-4-in-to-6-in-universal-register-box-with-flange","title":"Master Flow 8 in. x 4 in. to 6 in. Universal Register Box with Flange","description":"\u003cp\u003eThis Master Flow 8 inch by 4 inch to 6 inch Universal Register Box is constructed from durable 30-gauge galvanized steel to ensure long-lasting performance in HVAC systems. Designed to create a straight in-line transition from a 6 inch round pipe or flexible duct to an 8x4 air register or grille, it features a built-in flange. This flange provides a convenient area for register screws and serves as a nailing area for joists or a sheetrock frame, allowing for easy installation before drywall is applied. Ideal for both residential and commercial venting applications, this box helps maintain efficient airflow while providing a secure mounting surface\u003c\/p\u003e","brand":"Master Flow","offers":[{"title":"Default Title","offer_id":45782983377082,"sku":"623207","price":13.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/1530\/2074\/files\/623207_ai.jpg?v=1776315472","url":"https:\/\/www.loopstone.net\/products\/master-flow-8-in-x-4-in-to-6-in-universal-register-box-with-flange","provider":"Loopstone Store","version":"1.0","type":"link"}