| Inside diameter | 52-406mm |
| Fire rating | B1 |
| Working pressure limit | 3000Pa |
| Temperature range | -30to+140℃ |
| Production length | 10m |
| Insulation thickness | 16/25/30mm |
| inlay | Aluminum Foil and Spiral Wire Wrap |
| Construction | Jacket - PVC composite aluminum foil wrapped with s teel wire |
| Application | Air conditioning end air supply, VAVBOX box connection, fresh air connection pipe, downward air supply connector, FASU system |
| Characteristics | Inner and outer double-layer spiral steel wire support, an ti-squeeze, not easy to deform, small wind resistance |
