Ducting Hose, Hose Inside Dia. 11 in, Hose Length 12 ft, Hose Tube Material Neoprene Coated Fiberglass, Hose Color Black, Vacuum Rating 1 in of Hg, Max. Working Pressure @ 70 F 4 psi, Temp. Range -65 Degrees to 300 Degrees F, Standards UL Listed; UL-94V-0, Bend Radius 10.8 in