12” Silver Flex R8

12” Silver Flex R8 Quietflex Series. This insulated flexible duct is primarily used in standard heating, ventilation, and air conditioning (HVAC) systems and some venting applications to ensure efficient air distribution and energy savings.

• Material: It features a tear- and puncture-resistant, scrim-reinforced metalized polyester outer jacket (vapor barrier) and an airtight inner core, often made of a double lamination of tough polyester encapsulating a steel wire helix.
• Insulation: The duct contains R8 fiberglass insulation, which provides greater thermal efficiency compared to standard R4.2 products.
• Dimensions: It has a 12-inch inner diameter and typically comes in a 25-foot length, though other lengths may be available.
• Performance:
  • Maximum Airflow: Up to 6000 FPM (feet per minute) according to some sources.
  • Temperature Range: Suitable for continuous use from -20°F to 180°F, with intermittent use up to 200°F.
  • Pressure Rating: Designed for high pressure applications, typically rated for positive pressure of up to 10 inches water column (WC).
• Certifications: The product is ETL Listed and meets various federal, state, and local codes and standards, including UL 181, NFPA 90A/90B, and HUD/FHA standards.