3 Metre Length of 4mm Silicone Vacuum Tubing

3 metre lenght of 4mm Silicone Vacuum Tubing Technical Details 3mm and 4mm diameter have a wall thickness of 2mm. 5mm diameter has a wall thickness of 2.5mm. 6mm, 8mm and 10mm diameter have a wall thickness of 3mm. Manufactured from the finest high tear strength 65Shore hardness silicone polymer. Manufactured under the ISO 9001 quality system.