The Quietflex® UV-Inhibited Black Jacket Flex Duct has a UV-inhibited polyethylene vapor barrier.
Quietflex® UV-Inhibited Flexible Duct, 8 in Duct, 50 ft Length, Polyethylene, Black, R4.2 R-Value, 6000 fpm, -20 to 180 deg F, 0.11 perm Vapor Transmission
| Duct Size | : | 8 in |
| Length | : | 50 ft |
| Material | : | Polyethylene |
| Color | : | Black |
| R-Value | : | R4.2 |
| Velocity Rating | : | 6000 fpm |
| Temperature Rating | : | -20 to 180 deg F |
| Vapor Transmission | : | 0.11 perm |