Aqua Lab Technologies

14/18mm Replacement Downstems

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Aqua Lab Technologies replacement downstems fit most standard glass bongs, bubblers and water pipes requiring a 14/18mm fitting.  The 14/18mm replacement downstems feature quality boro glass and 6 diffusion slits for added airflow and classic water diffusion. Glass replacement downstems are handblown in California for Aqua Lab from quality, American borosilicate glass. 

Downstem Features:

  • 14/18mm diffused downstem
  • Bong joint fitting: 18mm
  • Slide joint fitting: 14mm
  • Borosilicate glass
  • 6-slit, open-end diffusion tip
  • Available in different lengths 
  • Made in the USA
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 June 20, 2018

Customer Reviews

4.8 Based on 8 Reviews
5 ★
88% 
7
4 ★
0% 
0
3 ★
12% 
1
2 ★
0% 
0
1 ★
0% 
0
Customer Photos
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  • Reviews
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Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

    KG
    04/26/2019
    Kevin G.

    Downstem

    Great quality and price!!

    BH
    04/17/2019
    Bryce H.

    **** works

    **** works

    PG
    04/06/2019
    Patti G.

    Outstanding

    Couldn’t be more happier with this downstem, has a great function.

    JW
    10/18/2018
    Jaelynn W.

    Fast shipping & great quality

    Fast shipping & great quality

    DF
    09/26/2018
    David F.

    Killer replacement down stem

    Well made, good quality glass, and is well vented at the bottom.

    David F. verified customer review of 14/18mm Replacement Downstems

    Customer Reviews

    4.8 Based on 8 Reviews
    5 ★
    88% 
    7
    4 ★
    0% 
    0
    3 ★
    12% 
    1
    2 ★
    0% 
    0
    1 ★
    0% 
    0
    Customer Photos
    Write a Review Ask a Question
    • Reviews
    • Questions

    Thank you for submitting a review!

    Your input is very much appreciated. Share it with your friends so they can enjoy it too!

      KG
      04/26/2019
      Kevin G.

      Downstem

      Great quality and price!!

      BH
      04/17/2019
      Bryce H.

      **** works

      **** works

      PG
      04/06/2019
      Patti G.

      Outstanding

      Couldn’t be more happier with this downstem, has a great function.

      JW
      10/18/2018
      Jaelynn W.

      Fast shipping & great quality

      Fast shipping & great quality

      DF
      09/26/2018
      David F.

      Killer replacement down stem

      Well made, good quality glass, and is well vented at the bottom.

      David F. verified customer review of 14/18mm Replacement Downstems