{"product_id":"mm-manufacturing-641r6-12x8x8-insulated-register-box-12x8x8","title":"Mm Manufacturing 641R6-12X8X8 Insulated Register Box 12x8x8","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe MM Manufacturing 641R6-12X8X8 is an insulated sheet metal register box designed for residential and light commercial forced-air duct systems. It features a 1.5-inch ductliner interior that delivers an R-6 thermal rating, reducing heat loss and condensation at the register opening. The box includes a snap-rail flange for fast, secure grille or register attachment without separate fasteners. Licensed HVAC technicians and sheet metal contractors install this component as part of a supply-air trunk-and-branch or plenum-style distribution system.\u003c\/p\u003e\n\u003cp\u003eThis register box is suited for new construction and retrofit installations where insulated supply-air terminations are required at floor, wall, or ceiling register locations. The 12 x 8 inch boot opening accommodates standard 12 x 8 inch registers and grilles. The snap-rail flange simplifies grille seating and reduces installation time on production builds or multi-unit service calls.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1.5-inch ductliner interior provides R-6 thermal insulation rating\u003c\/li\u003e\n  \u003cli\u003eSnap-rail flange secures grilles and registers without additional hardware\u003c\/li\u003e\n  \u003cli\u003e12 x 8 inch register opening fits standard residential supply registers\u003c\/li\u003e\n  \u003cli\u003eInsulated construction reduces condensation risk at the boot termination\u003c\/li\u003e\n  \u003cli\u003eDesigned for use in forced-air supply distribution systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style insulated register box for use with standard 12 x 8 inch supply-air grilles and registers in residential and light commercial forced-air HVAC duct systems.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by licensed HVAC technicians or sheet metal contractors. Power down the air handler or furnace and close the system isolation points before connecting ductwork. Seal all seams with UL-listed duct sealant or metal tape per local mechanical code requirements. Do not compress or puncture the interior ductliner during fitting, as this degrades the R-6 rating.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRegister Opening\u003c\/strong\u003e: 12 x 8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulation\u003c\/strong\u003e: 1.5-inch ductliner\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulation Rating\u003c\/strong\u003e: R-6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 14 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Width\u003c\/strong\u003e: 10 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Height\u003c\/strong\u003e: 6.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 2.3 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlange Type\u003c\/strong\u003e: Snap-rail\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: MM Manufacturing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 641R6-12X8X8\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M\u0026M MANUFACTURING","offers":[{"title":"Default Title","offer_id":51267821338930,"sku":"641R6-12X8X8","price":44.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/308913381.webp?v=1780691181","url":"https:\/\/voomisupply.com\/products\/mm-manufacturing-641r6-12x8x8-insulated-register-box-12x8x8","provider":"Voomi Supply","version":"1.0","type":"link"}