4" Insulated (R4.2) Flex Duct 25'

FEATURES AND BENEFITS:

• Underwriters Laboratories listed for the US and Canada.

• Complies with NFPA Standards 90A and 90B.

• Corrosion resistant steel wire helix.• Fully lined for efficient air delivery.

• The outer vapor barrier is a bi-directional scrim reinforced gray polyester.

• Quality KPE installations produce referrals that increase volume and profits.

• Available through broad national distribution.

• Available in 4.2, 6.0, and 8.0 thermal application values.

• Available in both box and bag packaging.

• GreenGuard® Gold Certified is the industry’s most recognized Indoor Air Quality (IAQ) ratings.

• Made with Owens Corning™ EcoTouch® formaldehyde-free Insulation. Made with 99% natural materials and highest recycled content. Also, it is the only fiberglass insulation listed in the USDA BioPreferred Catalog.