Industrial Ducting Hose Hose Inside Dia 4 in Hose Length 50 ft Hose Tube Material TPE Hose Reinforcement Type Helix Hose Reinforcement Material Not Reinforced Hose Color Black Grey Vacuum Rating 16.00 in Hg Max Working Pressure @ 70 F 11 psi Temp Range -60 Degrees to 275 Degrees F Bend Radius 7 in