Industrial Ducting Hose, Hose Inside Dia. 2 1/2 in, Hose Length 25 ft, Hose Tube Material Polypropylene, Hose Reinforcement Type Helix, Hose Reinforcement Material Not Reinforced, Hose Color Black, Vacuum Rating Not Rated, Max. Working Pressure @ 70 F 9 psi, Temp. Range -40 Degrees to 225 Degrees F, Bend Radius 4 in