1.For woodworking & ventilation system 2.Biggest manufacturer in CHINA 3.Pure Polurethane without PVC 4.RoHS approval Application: As suction and transport hose especially ideal for abrasive solids,such as dust, powders, wood chips, granulates and ect.Also are suitable for ventilation and air conditioning system, industrial vacuum cleaner.Features:Extremely flexible and compressible;Extremely ...