134mm Outside Diameter x 125mm Inside Diameter, Specialist Woodworking & Timber Processing PU Ducting, 10 Metres, TIMBERDUC PUR 533 AS, Wall Thickness 0.7mm, Weight 0.970 Kg per Metre, Maximum Vacuum Pressure 0.110 bar, Working Temperature -40°C to +90°C, Working Pressure 0.510 bar, Norres