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4.5" GRAV® 14mm Fission Downstem

4.5" GRAV® 14mm Fission Downstem

4.5" GRAV® 14mm Fission Downstem

21 reviews

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The 14mm GRAV® Fission Downstem is compatible with any 14mm beaker or straight-based water pipe with an angled joint. Its fission holes diffuse smoke through water and are made with a tungsten rod while the glass is hot, creating smooth edges that reduce clogging. This downstem measures 4.5" in length.
joint : 14mm Female
designed  by : Stephan Peirce


Customer Reviews
4.5 Based on 21 Reviews
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Tyler A.
United States United States
Pretty good

Not much flow but solid glass

Sasha B.
United States United States

Perfect Size

Chris R.
United States United States
Great downstem

I have had several downstem in my day and this is the best per cost anywhere, the right amount of drag, great percolation with sealed end. I have the Stax slit downstem, I prefer this one for regular use, if I add two + percs I’ll go to the Stax but this one is preferred, replaced on beaker and a homemade old organic chem setup.

Colton K.
United States United States

Great idea, I bought the 4” instead of the 3” so I haven’t used it

Chris R.
United States United States
Great downstem

Diffuses so much better than the standard slit down stems in non GRAV pipes. End is sealed and has multiple ports. Excellent t upgrade and durable too.