Bong slide joint size standards

Discussion in 'General' started by jeri, May 26, 2009.

  1. hello guys!

    Does anyone know about the standard sizes of The bong slide joints? its for glass on glass type bongs,

    im planning to make a river stone slide.

    basing on my research these are the sizes

    9mm, 9.5mm, 12mm, 14.5mm, 18.5mm

    but i want to ask the experts. If anyone of you knows about this any help is much appreciated.
  2. 18.8 and i'm not sure about anything other than 14.5 and 18.8

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