The smoke has a bigger surface, if it consists of many little bubbles, whereby it also is softer and cooler. Due to the little holes of the Black Leaf diffuser plug, exactly this is achieved. Moreover the plug is used to connect 14/5er bongs with 14/5er downtubes.
Length from the core's upper edge: ca. 17cm
Tube diameter: ca. 10mm
Diffuser holes: Drilled and melted
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