Flex-Vent KM Flexible Duct
Insulated Duct
Strong polyester film laminated and encapsulating a heavy, corrosion resistant steel wire helix, forms the inner core and supports a thick blanket of fiberglass insulation. The outer vapor barrier is a new bi-directional reinforced metallized vapor barrier which will not unravel. The smooth air tight inner core of polyester is designed for low to medium pressure systems.
KM Specs
| Diameter | 4-20 inches ID |
| Pressure Rating | (WG) |
| Positive | 10 inches (4˝-16˝ ID) 6 inches (18˝-20˝ ID) |
| Negative | 1 /2 inch (4˝-20˝ ID) |
| Velocity | 5000 FPM |
| Temp. Range | -20°F – 250°F cont. |
| R-Value | R-4.2, R-6.0, R-8.0 |
| GREENGUARD Certifications | GREENGUARD Indoor Air Quality Certified GREENGUARD Children and Schools Certified |