4″ x 25′ Insulated Flex


SKU: 4X25INS Category:


4″ x 25′ Insulated Flex

Highly efficient thermally insulated flexible duct, for use in heating and cooling systems. CPE core easily expands over fittings. Core is bonded to a steel spring wire helix supporting a blanket of fiberglass covered by a polyethylene vapor barrier. R-value 4.2.

One 4″ core diameter by 25′ long section per carton.

Additional information

Weight 7 lbs
Dimensions 27 x 8 x 8 in