167mm Outside Diameter x 160mm Inside Diameter, Food Grade Hose & Ducting, 10 Metres, AIRDUC PUR 350 FOOD-AS, Wall Thickness 0.7mm, Weight 1.500 Kg per Metre, Maximum Vacuum Pressure 0.070 bar, Working Temperature -40┬░C to +90┬░C, Working Pressure 0.400 bar, Norres