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14/18mm Replacement Downstems

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Say goodbye to a ruined smoking session with our premium-quality Aqua Lab Technologies Replacement Downstems for your bong. Whether you need to replace a broken downstem or want to upgrade your smoking experience, our downstems are designed to fit most standard glass bongs, bubblers, and water pipes requiring a 14/18mm fitting. Crafted from high-quality boro glass and featuring six diffusion slits for exceptional airflow and water diffusion, these 14/18mm diffused downstems are handblown in California by Aqua Lab, using only the finest American borosilicate glass for unparalleled durability and long-lasting use. Choose from different downstem sizes and lengths to fit your unique needs, and enjoy the convenience of a 14mm slide joint fitting and an 18mm bong joint fitting. Elevate your smoking experience with Aqua Lab Technologies Replacement Glass Downstems for Bongs, proudly made in California, USA.

Downstem Features:

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

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