Hi-Tech Duravent Super Vac-U-Flex 1-1/2-inch hose is high strength. The fiber-reinforced PVC cover is bonded to coated spring steel wire helix. The smooth interior flexible hose is easy to handle and install. Industrial quality 2-ply reinforced PVC construction. Applications include dust collection, exhaust/ventilation, material handling. Operating temperature range: -20 to 150F. 10-foot length. Made in USA. (Also see Hi-Tech Duravent 11135 1-1/2-inch gray screw-on hose cuff, sold separately).