Ducting Hose, Hose Inside Dia. 4 in, Hose Length 50 ft, Hose Tube Material Polyurethane, Hose Reinforcement Type Helix, Hose Reinforcement Material ABS, Hose Color Clear, Yellow, Vacuum Rating 20 Hg, Max. Working Pressure @ 70 F 28 psi, Temp. Range -40 Degrees to 200 Degrees F, Bend Radius 6 in