250mm Inside Diameter x 163mm Outside Diameter, Abrasion-resistant, Anti-static Industrial PU Ducting, 10 Metres, AIRDUC PUR 355 AS, Heavy Duty, Wall Thickness 1.5mm, Vacuum 0.12 bar, Weight 3.880kg per Metre, Working Temperature -40┬░C to +90┬░C, Maximum Working Pressure 0.52 bar, Norres