1). Material: PVC flam-resistant static-free fabric with steel wire reinforced.

2). PVC Thickness: 0.3mm-0.45mm

3). Diameter: 4" to 60" stander length:5m or 10m

4). Main color: yellow, orange, red, white, black, green ect.

5). Character: enduring high temparature,acid,alkali,oleic acid, harmful liquid state gas ect.

6). Temperature range: from -15°C up to +80°C.

7). Application :Widely used in these working environment such as  tunnel, basement, ship building or welding, laboratory ,air-conditioner,engine room, the municipal conduct engineering,fire-fighting to ventilate or exhaust waste air,dust to supply fresh air.keep more savely and effectively during working.with the strap or pp rope can conveniently connect to the portable ventilator to use together.