Industrial Ducting Hose, Hose Inside Dia. 12 in, Hose Length 25 ft, Hose Tube Material Neoprene, Hose Reinforcement Type Helix, Hose Reinforcement Material Fiber, Hose Color Black, Vacuum Rating 3.00 in Hg, Max. Working Pressure @ 70 F 8 psi, Temp. Range -40 Degrees to 250 Degrees F, Standards UL-94V-0, Bend Radius 9.4 in