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HVY Glass

HVY Glass - 14/18mm Replacement Downstems

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HVY Glass Downstems are replacement downstems for your HVY bong. These glass downstems are an original replacement. HVY downstems fit most standard bongs, bubblers, and water pipes requiring a 14/18mm fitting.  The 14/18mm diffused downstems feature quality boro glass and several diffusion slits for added airflow and superior water filtration. 

Downstem Features:

  • 14/18mm diffused downstem
  • Bong joint fitting: 18mm
  • Slide joint fitting: 14mm
  • Borosilicate glass
  • Multi-slit diffused perc
  • Available in different lengths 
  • Sandblasted HVY logo (may vary from photos)

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. 

Added September 25, 2020