1.6mm Vacuum Silicone Hose 2.Material:100% silicone rubber, non-toxic. 3.Various sizes for choose 4.High strength 1.Material: 100% silicone rubber, non ... to 0.9 Mpa or (43.5PSI to 130.5PSI).5.Color:transparent, red, blue, black, green, yellow, purple, brown . ... blue.6.High strength, Flame resistant grade.7.The vacuum silicone tubing in various sizes:4mm ,6mm ,8mm. Vacuum Silicone Hose/Auto Parts