Ducting Hose, Hose Inside Dia. 8 in, Hose Length 25 ft, Hose Tube Material Neoprene Coated Fiberglass, Hose Color Black, Vacuum Rating 3 in of Hg, Max. Working Pressure @ 70 F 7 psi, Temp. Range -65 Degrees to 300 Degrees F, Standards UL Listed; UL-94V-0, Bend Radius 7.8 in