Master Flow F8IFD8X300 8 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket

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About This Product

The Master Flow 8 in. x 25 ft. Insulated Flexible Duct with R8 Silver Jacket is designed for use in standard HVAC systems and select venting applications. Featuring R8 insulation—offering 50% more thermal protection than standard R4.2 ducts—this product enhances energy efficiency and helps reduce heating and cooling costs. Its durable silver jacket provides extra protection, making it a reliable choice for long-term performance. ETL listed and compliant with UL181 standards, it meets stringent safety and quality requirements. 

Highlights

• Flexible design is suitable for various applications, including heating, air conditioning, and some ventilation systems 

• Oversized core allows for quick, secure connection to standard sheet metal fittings 

• Galvanized core wire provides improved corrosion resistance compared to non-galvanized options 

• Duct can be trimmed to desired length for customized installation 

• Insulated construction supports a maximum operating temperature of 200°F 

• Must be installed according to manufacturer instructions; seal all joints using approved mastic, sealant, or tape 

Dimensions

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