Insulated flexible hose 2Standar length:10 meter 3)Dia.:76mm to 510mm 4)Fibreglass Thick:25mm 5)Dentiny 16kg/m3 Material of Core Duct Aluminum/Polyester, Steel wireThickness of Core Duct0.032mmFire ResistanceYes,GoodThickness of Insulation25mm/50mm (Polyester)Density of Insulation16kg/m3/32kg/m3 (Polyester)Air Velocity30 m/sOperating Pressure2500 PaOperating Temperature Range-30 °C/+140 ° ...