313mm Outside Diameter x 300mm Inside Diameter, Food Grade Hose & Ducting, 10 Metres, AIRDUC PUR 355 FOOD, Wall Thickness 1.5mm, Bend Radius 226mm, Weight 5.16 Kg per Metre, Maximum Vacuum Pressure 0.065 bar, Working Temperature -40┬░C to +90┬░C, Working Pressure 0.39 bar, Norres