Jtube Jar | Top

So the JTube slides into or screws onto this jar top, letting extracted solvent + oil flow directly into the jar.

While the keyword "jtube jar top" is specific, there are alternatives if you cannot find the exact part.

The top must have a recessed port. Many cheap lids have a flat top that forces the dip tube to stick up too high, preventing the JTube column from screwing down flush.

If you take nothing else away from this article, remember these three rules regarding your jtube jar top:

While "Jar Top" refers to the cap, "JTUBE" often refers to the internal actuation design or a specific brand lineage (J-Mate). Key features include:

The biggest pain point for users is assuming that "one lid fits all jars." It does not.

The keyword "jtube jar top" is almost exclusively searched by people trying to figure out if their existing lid fits the JTube extraction column.

Here is the hard truth: The JTube column (the metal tube holding your plant material) has specific threading. Most JTube extraction columns are designed to screw directly onto regular mouth mason jars (Ball, Kerr, or generic brands). However, the stock lid that comes with the jar cannot handle the pressure or the injection of gas.

Therefore, the JTube jar top is the missing link. It must have: