These rubber vacuum caps can provide a tight fit to prevent vacuum leakage. Widely used in carburetor, manifold, automotive, pipelines and hoses etc.
These vacuum caps are made of high quality rubber, soft, durable, flexible and insulated, which have higher strength, service life and anti-corrosion capabilities.
Right size vacuum caps can provide a snug, airtight fit for your vacuum project. Also can be used as an ordinary end cap, which can cover any scratches or burrs that may occur during the cutting process, provide protection against injury by pointed rod and tubing edges.