73mm Outside Diameter x 68mm Inside Diameter, Food Grade Hose & Ducting, 10 Metres, AIRDUC PUD 351 FOOD, Wall Thickness 1mm, Weight 0.530 Kg per Metre, Maximum Vacuum Pressure 0.220 bar, Working Temperature -40┬░C to +90┬░C, Working Pressure 1.090 bar, Norres