GAF Master Flow 4" X 25' Insulated Flexble Duct with R6 Insulation, offering 33% more insulation than the standard| Comes with UL181 standard of safety and is ETL Listed

GAF Master Flow 4" X 25' Insulated Flexble Duct with R6 Insulation, offering 33% more insulation than the standard| Comes with UL181 standard of safety and is ETL Listed

• Enhanced Thermal Efficiency: The Master Flow Insulated Flexible Duct R6 Silver Jacket features R6 insulation, offering 33% more insulation than standard R4.2 products for superior thermal efficiency and energy savings.
• Versatile HVAC Use: Ideal for standard heating and air conditioning systems, as well as various venting applications, ensuring flexibility and reliability in different settings.
• Durable Construction: Covered in a heavy-duty silver jacket, this flexible duct is designed for long-lasting durability, protecting the insulation and ensuring consistent performance.
• ETL Listed: Meeting the UL181 standard, this duct is ETL listed, ensuring it adheres to high safety and quality standards for use in HVAC systems.
• Energy Savings: The additional insulation in this duct helps reduce energy consumption, making your HVAC system more efficient and cost-effective.