{"product_id":"12-in-x-12-in-to-8-in-ceiling-register-box-crb12x12x8","title":"Master Flow 12 in. x 12 in. to 8 in. Ceiling Register Box CRB12X12X8","description":"\u003cp\u003eOPENBOX\u003c\/p\u003e\n\u003cp\u003eMaster Flow 12 in. x 12 in. to 8 in. Ceiling Register Box CRB12X12X8\u003c\/p\u003e\n\u003cdiv class=\"sui-flex sui-flex-col sui-gap-2\"\u003e\n\u003cp\u003eThe Master Flow 12 in. x 12 in. x 8 in. Ceiling Register Box is made of 30-Gauge, galvanized steel. It creates a transition from round pipe or insulated flexible duct to an air register or grille. The ceiling register box can be installed with sheet metal screws. It has a maximum temperature rating of 390 degree F.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul class=\"sui-w-full sui-list-disc sui-px-6 sui-flex sui-flex-col sui-gap-2 sui-mt-2\" data-testid=\"bullet-list\"\u003e\n\u003cli data-testid=\"bullet-list-item\"\u003e\u003cspan\u003eCreates a transition from 8 in. round pipe or insulated flexible duct to a 12 in. x 12 in. air register or grille\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-testid=\"bullet-list-item\"\u003e\u003cspan\u003eCan be installed with sheet metal screws (not included)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-testid=\"bullet-list-item\"\u003e\u003cspan\u003eAlways seal seams with code-approved mastic, sealant or duct tape (not included)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-testid=\"bullet-list-item\"\u003e\u003cspan\u003eAlways insulate ductwork for greater system efficiency and comfort (insulation not included)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-testid=\"bullet-list-item\"\u003e\u003cspan\u003eMaximum temperature rating of 390 degree F, minimum temperature rating of 100 degree F\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"OPENBOXFIXTURES.COM","offers":[{"title":"Default Title","offer_id":47211458167003,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/8049\/9419\/files\/Screenshot2025-07-11at7.09.13PM.png?v=1752275358","url":"https:\/\/openboxfixtures.com\/products\/12-in-x-12-in-to-8-in-ceiling-register-box-crb12x12x8","provider":"OPENBOXFIXTURES.COM","version":"1.0","type":"link"}