Industrial Ducting Hose, Hose Inside Dia. 3 in, Hose Length 50 ft, Hose Tube Material TPE, Hose Reinforcement Type Helix, Hose Reinforcement Material Fiber, Hose Color Black, Vacuum Rating 28.00 in Hg, Max. Working Pressure @ 70 F 29 psi, Temp. Range -60 Degrees to 275 Degrees F, Bend Radius 4.3 in