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 Arizona from a quality, American borosilicate glass. 

Downstem Features:

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

Added June 27, 2018