307mm Outside Diameter x 300mm Inside Diameter, Food Grade Hose & Ducting, 10 Metres, AIRDUC PUR 350 FOOD-AS, Wall Thickness 0.7mm, Weight 2.770 Kg per Metre, Maximum Vacuum Pressure 0.035 bar, Working Temperature -40°C to +90°C, Working Pressure 0.215 bar, Norres