Ducting Hose, Hose Inside Dia. 4 in, Hose Length 25 ft, Hose Tube Material Polyurethane, Hose Reinforcement Type Helix, Hose Reinforcement Material Steel Wire, Hose Color Clear, Vacuum Rating 24 Hg, Max. Working Pressure @ 70 F 22 psi, Temp. Range -65...