

The FB218 Insulated Flex Duct (part number 13102414H) is a high-quality insulation solution for your heating, air conditioning, and ventilation systems. With an impressive R Value of 8.0, this 14" duct is designed to efficiently regulate temperature and save energy. Its silver jacket, reinforced with fiberglass scrim, ensures durability and longevity. Compatible with various HVAC systems, the FB218 is UL-listed and GREENGUARD certified for microbial resistance.