L L Building F8IFD4X300 Flexible Duct, 4" x 25' Trending_Items Reinforced in critical areas for

Reinforced in critical areas for maximum durability

60W maximum

Wrot Style #: WE-500

For stained areas

L L Building F8IFD4X300 Flexible Duct, 4" x 25' Trending_Items Reinforced in critical areas forMetalized jacket. Single strand fiberglass yarns. For added strength and tear resistance. 2" Thick glass fiber. Highlights: Metalized jacket Size: 4" x 25' Insulated duct features A maximum temperature rating of 200 Deg F Duct can be cut to length as needed Oversized core to connect quickly and easily to standard sheet metal fitting Flexible duct is convenient for use in multiple applications including heating and A C systems and some venting