70mm Outside Diameter x 65mm Inside Diameter, Food Grade Hose & Ducting, 10 Metres, AIRDUC PUR 350 FOOD-AS, Wall Thickness 0.7mm, Weight 0.520 Kg per Metre, Maximum Vacuum Pressure 0.290 bar, Working Temperature -40°C to +90°C, Working Pressure 0.970 bar, Norres