Overview Reviews Product Description Polyurethane provides a much better abrasion and puncture resistance than PVC and has the added benefits of excellent chemical and oil resistance as well as a wide temperature range. Greenline Industrial Hose Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × Greenline 2-1/2" x 10' Polyurethane Dust-Flex Ducting Hose DFU-250 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *