{"product_id":"master-flow-10-in-x-4-in-register-box-saddle","title":"Master Flow 10 in. x 4 in. Register Box Saddle","description":"\u003cp\u003eThis Master Flow 10 in. x 4 in. Register Box Saddle is designed to create a horizontal transition from a round pipe to an air register or grille. Constructed from durable galvanized steel, it allows for a custom opening to be cut into the branch line, where the saddle is then secured over the hole using sheet metal screws (not included). Its versatile design fits over sections of round pipe and can be easily trimmed in height if necessary to fit specific installation requirements. For maximum system efficiency and comfort, it is recommended to seal all ductwork seams with code-approved mastic or duct tape\u003c\/p\u003e","brand":"Master Flow","offers":[{"title":"Default Title","offer_id":45782777168058,"sku":"909503","price":17.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/1530\/2074\/files\/909503_ai.jpg?v=1777576836","url":"https:\/\/www.loopstone.net\/products\/master-flow-10-in-x-4-in-register-box-saddle","provider":"Loopstone Store","version":"1.0","type":"link"}