A diffuser divides the smoke into many small bubbles and cools it down. The increased surface of the smoke has got a fast cooling effect, due to the water, so the smoke experience will be softer. The cooling efficiency depends on the number of holes in the diffusor. Moreover the Roor diffuser plug connects your 14/5er bongs with 14/5er downtubes.
Length from the core's upper edge: ca. 10cm
Tube diameter: ca. 10mm
Diffuser holes: Drilled and melded
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