Alex K Glass

Alex K - 14/18mm Showerhead Downstems

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Alex K Showerhead Downstems are Aqua Lab's best selling replacement downstem and have been a staple bong accessory in our store for many years. These glass downstems add a high functioning percolator to any bong or water pipe. Alex K  downstems fit most standard bongs, bubblers and water pipes requiring a 14/18mm fitting.  The 14/18mm showerhead downstems feature quality boro glass and several diffusion slits for added airflow and superior water filtration. Alex K replacement downstems are handblown in Minnesota from quality, American borosilicate glass. 

Downstem Features:

  • 14/18mm diffused downstem
  • Bong joint fitting: 18mm
  • Slide joint fitting: 14mm
  • Borosilicate glass
  • Multi-slit Showerhead perc
  • Available in different lengths 
  • Black Alex K logo
  • Made in 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 27, 2018

Customer Reviews

4.5 Based on 4 reviews
5 ★
50% 
2
4 ★
50% 
2
3 ★
0% 
0
2 ★
0% 
0
1 ★
0% 
0
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!

    J
    05/24/2019
    Joseph

    Noticeable difference

    Way better than the standard 6 slit downstem works great at diffusion in a 10 inch beaker downstem is 3.5 inches long.

    AS
    05/09/2019
    Aditya S.

    Great piece

    Phenomenal function. I gave it a 4 because I like a bit more chug in my hits but if you like snappy hits, then you'll like this because it gives percolation without reducing airflow!

    XL
    04/20/2019
    Xavier L.

    Great downstem

    Way better than original one I had

    DM
    12/29/2018
    Daniel M.

    Perfect fit

    This is a great replacement, although not as great filtration as the matrix.

    Customer Reviews

    4.5 Based on 4 reviews
    5 ★
    50% 
    2
    4 ★
    50% 
    2
    3 ★
    0% 
    0
    2 ★
    0% 
    0
    1 ★
    0% 
    0
    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!

      J
      05/24/2019
      Joseph

      Noticeable difference

      Way better than the standard 6 slit downstem works great at diffusion in a 10 inch beaker downstem is 3.5 inches long.

      AS
      05/09/2019
      Aditya S.

      Great piece

      Phenomenal function. I gave it a 4 because I like a bit more chug in my hits but if you like snappy hits, then you'll like this because it gives percolation without reducing airflow!

      XL
      04/20/2019
      Xavier L.

      Great downstem

      Way better than original one I had

      DM
      12/29/2018
      Daniel M.

      Perfect fit

      This is a great replacement, although not as great filtration as the matrix.