45mm Outside Diameter x 38mm Inside Diameter, Food Grade Hose & Ducting, 10 Metres, AIRDUC PUR 350 FOOD-AS, Wall Thickness 0.7mm, Weight 0.310 Kg per Metre, Maximum Vacuum Pressure 0.495 bar, Working Temperature -40°C to +90°C, Working Pressure 1.635 bar, Norres