DWC is listed for use as a segment of an unenclosed Type B gas vent system and is fully safety certified for use in conditioned and/or unconditioned attics and crawl spaces. DWC can simplify alignment of most installations by enabling a quick and easy offset between sections of rigid gas vent.
| Material | : | Aluminum/Steel |
| Type | : | Flexible Ducting |
| Finish | : | Galvanized |
| Overall Length | : | 3 ft |
| Diameter | : | 3 in |