Alex K - 18/18mm Showerhead Downstems



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Replacement Showerhead Downstems are a good upgrade or replacement glass bong downstem for any type of water pipe. These glass downstems add a high-functioning percolator improving the hit of your glass piece.  Alex K  downstems fit most standard bongs, bubblers, and water pipes requiring an 18/18mm fitting.  The 18/18mm showerhead downstems feature quality boro glass and several diffusion slits for added airflow and superior water filtration.  Alex K replacement downstems are handblown in Arizona from a quality, American borosilicate glass.

Downstem Features:

  • 18/18mm diffused downstem
  • Bong Downstems
  • Bong joint fitting: 18mm
  • Slide joint fitting: 18mm
  • Borosilicate glass
  • Multi-slit Showerhead perc
  • Available in different lengths 
  • Black Alex K logo
  • Made in Arozona, U.S.A.

    Note: All downstems are measured from the top of the ground joint to the end of the diffusion tip. Please see our diagram in the listing for complete downstem measuring instructions.

    Customer Reviews
    4.5 Based on 2 Reviews
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    Filter Reviews:
      OW
      12/14/2021
      Owen W.
      United States

      Fantastic

      I was without a downstem for about 2 months. Knew this was the only quality 7 inch I could get and it turned my bong from a glorified bubbler back to a badass bong. Long live this stem!

      IL
      06/17/2017
      Isaiah L.

      Very nice, a littl short

      I wish i got this think an inch longer. But its a great stem.