The POWERTEC 2-1/2-Inch Flexible Dust Collection Hose is an innovative new solution for implementing effective dust and debris extraction in difficult, awkward and/or hard to reach areas. Not only does this innovative accessory, it both collapses and accommodate to the needs of any problem area. Ingenuous segmented design means it will maintain desired rigidity when dust collecting in hard to reach areas, thus maintaining optimal air flow to your dust collector. Made of polypropylene plastic. Simple, brilliant, versatile – exactly what you need.