This Roor diffuser plug is the adapter of 14/5er bongs and 14/5er downtubes. But it also gets you a softer and cooler smoke experience, because the diffuser increases the surface of the smoke, by dividing the smoke into many small bubbles.
Length from the core's upper edge: ca. 10,5cm
Tube diameter: ca. 10mm
Diffuser holes: Drilled and melded
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