Industrial Ducting Hose, Hose Inside Dia. 8 in, Hose Length 25 ft, Hose Tube Material PVC, Hose Reinforcement Type Helix, Hose Reinforcement Material Fiber, Hose Color Grey, Vacuum Rating 0.70 in Hg, Max. Working Pressure @ 70 F 0.4 psi, Temp. Range -20 Degrees to 200 Degrees F, Standards UL-94V-0, Bend Radius 2 in