Industrial Ducting Hose, Hose Inside Dia. 4 in, Hose Length 25 ft, Hose Tube Material PVC, Hose Reinforcement Type Helix, Hose Reinforcement Material Wire Helix - Reinforced, Hose Color Blue, Vacuum Rating 17.00 in Hg, Max. Working Pressure @ 70 F 11 psi, Temp. Range -20 Degrees to 180 Degrees F, Bend Radius 3.6 in