46mm Outside Diameter x 38mm Inside Diameter, ATEX Compliant Ducting, 10 Metre Coil, AIRDUC PUR 351 EC, Wall Thickness 0.8mm, Weight 0.320 Kg per Metre, Maximum Vacuum Pressure 0.400 bar, Working Temperature -40°C to +90°C, Working Pressure 1.190 bar, Norres