Vacuum Hose Cap: The appropriate size can provide a tight fit to prevent vacuum leakage; the vacuum cover is used for manifolds, capping pipelines and hoses, while testing emission control systems, vacuum lines, diaphragms, etc; the appropriate size can also be used as an ordinary rubber cap. Vacuum Caps Assortment: The vacuum caps set contains 6 sizes, you can choose according to your needs, and quickly find the right caps.Refer to the main drawing or for dimensions. Automotive Vacuum Hose: In order to facilitate maintenance, we can prepare some vacuum line cap kits at home or in the car. At critical moments, he can always help you; he can help you repair the car s carburetor hose and handle the intake manifold. Finishing Caps: they cover any scratches, burrs or distortions that may result from cutting operations. In addition, they also provide protection against injury from sharp rod and tubing edges. Rubber Vacuum Caps: Constructed of durable flexible nitrile rubber, even a slightly larger pipeline can still be used conveniently; and has the characteristics of high temperature resistance, there is no need to worry about the product melting due to higher temperatures.