Ducting Hose, Hose Inside Dia. 3 in, Hose Length 25 ft, Hose Tube Material Neoprene Coated Fiberglass, Hose Color Black, Vacuum Rating 16 in of Hg, Max. Working Pressure @ 70 F 19 psi, Temp. Range -65 Degrees to 300 Degrees F, Standards UL Listed; UL-94V-0, Bend Radius 2.9 in