DETAILS
DESCRIPTION
Highlights:
- Color: Silver
- Material: Poly
- Length: 25 feet
- Diameter: 4 inch
- Fiberglass insulation R-value: 6.0
- The fiberglass reinforced metalized outer jacket is extremely strong and will not unravel
- Meets UL 181 Class 1 Air Duct standards
- Easy-to-install flexible polyester duct
- Oversized core for a seamless fit on collars and register boxes