1、通风管以B级阻燃PVC网布配与耐磨胶条包裹高碳弹簧钢圈精制而成，布质柔软,高强度抗撕裂耐酸碱、耐腐蚀、耐寒、防水、阻燃

1, the ventilation pipe is made of B class flame retardant PVC mesh cloth and high carbon spring steel ring coated with wear-resistant rubber strip. It is soft, high strength, tear resistance, acid and alkali resistance, corrosion resistance, cold resistance, waterproof and flame retardancy.

2、通风管伸缩自如、任意弯转、驳接自由、体积轻巧；携带方便

2. The ventilating tube is flexible, arbitrary, free and compact, and easy to carry.

3、产品环保无毒害、无异味、无粉尘、无纤维碎末。管体横向无接缝 、具有不漏风、耐磨、风阻小、抗压强度大等优点

3, product environmental protection non-toxic, no smell, no dust, no fiber. The pipe body has no transverse joint, has the advantages of no air leakage, wear-resistance, small wind resistance and high compressive strength.

4、布厚0.4mm-0.65mm，主颜色为橙黄色。其他颜色有：灰色、白色、蓝色、红色、黑色、绿色等。

4, the cloth is thick 0.4mm-0.65mm, the main color is orange yellow. Other colors are: grey, white, blue, red, black, green, etc.