Silicone Vacuum Tubing. 3mm I.D X 7mm O.D. Silicone Vacuum Hose. Silicone is ideal for water, forced air applications, induction joints, dump valves, air lines and many other uses including industrial applications and is Suitable for all Coolant Hoses, Washer Tubes, Air Hoses, Vacuum Hoses, Water Hoses and much more.
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