

The FB216 Insulated Flex Duct (part number: 13602407H) is a versatile solution for heating, air conditioning, and ventilation systems, featuring a 7" size and an impressive R Value of 6.0. This high-quality duct is wrapped in a durable Silver jacket reinforced with fiberglass scrim, with a double-ply black polyester core for added strength. It comes in convenient 25-foot lengths and is UL-listed and GREENGUARD listed for microbial resistance. Compatible with various models, this duct can be installed easily and efficiently.