58mm Outside Diameter x 50mm Inside Diameter, ATEX Compliant Ducting, 10 Metre Coil, AIRDUC PUR 351 EC, Wall Thickness 0.8mm, Weight 0.410 Kg per Metre, Maximum Vacuum Pressure 0.340 bar, Working Temperature -40°C to +90°C, Working Pressure 0.920 bar, Norres