Inside-Cut 18.8mm > 14.5mm Slitted Glass Diffuser Downstem - Smoke Cartel

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Inside-Cut 18.8mm > 14.5mm Slitted Glass Diffuser Downstem

$ 9.99 Free Shipping In Stock
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About this Product

Product SKU: S14-18-3

This inside-cut slitted downstem diffuser fits 18.8mm ground joints and 14.5mm male herb bowls. Whether you broke your downstem or need an upgrade or a spare, we've got just what you need. 

This clear slitted glass diffuser downstem is made of durable boro glass. It's equipped with slits that divide and separate the smoke so your hits are smoother. Add a big blast of powerful diffusion to any bong with an 18.8mm ground joint. Just put the diffuser downstem into your bong's joint, pop a 14.5mm male herb bowl on the other end, and enjoy the smoothest smoke ever! 

This nice diffuser downstem is available in several lengths to ensure there's one that's perfect for your setup. If you don't know what length you need, take a look at the image that explains the correct way to measure the length of your downstem. 

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All products on this site are intended for tobacco or legal dry herb usage.


Borosilicate Glass


  • Accessories
  • Available in Several Lengths
  • Buy Multiple and Save!
  • Downstem
  • Easy to Clean and Maintain
  • Equipped with Several Slits
  • Fits 14.5mm Male Herb Bowls
  • Fits 18.8mm Ground Joints
  • Inside-Cut 18.8mm > 14.5mm Glass-on-Glass Joint