4" Insulated (R6) Flex Duct 25'

  • California Prop 65


• Underwriters Laboratories listed to UL 181 and CUL S110 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 jacket of fiberglass scrim reinforced metallized film laminate.

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

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

• Available in both box and bag packaging.

• GreenGuard® Gold Certified which is the industry’smost recognized Indoor Air Quality (IAQ) rating.

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

• Available through broad national distribution.

Size 4"
Brand Flexible Technologies
Safety Standards
California Prop 65 Yes
Weights and Dimensions
Operating Weight (lbs) 7
Exterior Dimensions (D) (inches) 10.0000
Exterior Dimensions (W) (inches) 10.0000
Exterior Dimensions (H) (inches) 20.0000
Shipping Weight (lbs) 7.0000