POWERTEC 70143 4-Inch x 20-Foot Flexible PVC Dust Collection Hose， Clear Color<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Made of high grade PVC with reinforced spring steel in the wall for greater durability</li><li>Temperature resistant up to 176F</li><li>Ideal for sawdust， powder and ventilation</li><li>4-Inch x 20 foot long， clear color</li><li>Flame retardant according to UL94-HB</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51E6n3spY3L.jpg" noproxy>