Industrial Ducting Hose, Hose Inside Dia. 2 1/2 in, Hose Length 25 ft, Hose Tube Material Neoprene, Hose Reinforcement Type Helix, Hose Reinforcement Material Fiber, Hose Color Black, Vacuum Rating 28.00 in Hg, Max. Working Pressure @ 70 F 27 psi, Temp. Range -40 Degrees to 250 Degrees F, Standards UL-94V-0, Bend Radius 2.3 in