Master Flow F6IFD8X300 Insulated Flexible Duct

8-Inch x 25-Foot Insulated Air Duct

• Metalized jacket, single strand fiberglass yarns for added strength and tear resistance. 2″ thick glass fiber.
• R-Value 6 – 25′ Silver Jacket.
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X 25’L The Master Flow Insulated Flexible Duct R6 Silver Jacket is used in standard Heating & Air Conditioning systems and some venting applications. The duct has R6 fiberglass insulation which contains 33% more insulation than the standard R4.2 product. This additional insulation provides greater thermal efficiency to save energy. The product is also covered in a heavy duty, silver jacket for durability. Duct can be cut to length as needed. Insulated duct features a maximum temperature rating of 250 degrees fahrenheit. The duct is ETL listed, meeting the UL181 standard. Always install per instructions and seal using approved mastic or sealant (or approved tape).