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Reducing 13-Hole
Low-Profile Downstem
Beaker 5"
18.8mm → 14.5mm


ROOR® Reducing 13-Hole low-profile down stem.
The joint is 18.8mm where the 14mm Duran Schott Glass diameter downstem meets the tube. The tip of the ROOR®13-Hole downstem has 13 individual holes blown into a beautiful patter to allow for maximum diffusion per hit. The Joint where the bowl is inserted measures 14.5mm and will fit with any 14.5mm male glass joint bowl.
All downstems are measured in ¼” inch increments from the bottom of joint.

Standard ROOR® Downstem Sizes are as follows, however ROOR® always recommends that you measure your downstem when you buy your tube so that you always know your perfect length.
  • Standard Classic ROOR® Straight Tube Lengths 3 ½” – 4” Measures ¼” increments
  • Standard Classic ROOR® Beaker Lengths 5 ¼” – 6” Measures ¼” increments

  • ROOR® Reducing 13-Hole Low-Profile Downstem 18.8mm → 14.5mm

Production/Shipping time 2-5 days.
The product image serves only as an example. The colors and arrangement of the color applications may differ due to the handcraftsmanship. We reserve the right to give our glass artists creative freedom, which is the only way to ensure the creation of the highest quality unique glass specimens.

! WARNING This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to


by Joseph Steiert, 07/10/2020
I love it! Super smooth draw.
by Max Baumann, 06/20/2020
This downstem is terribly designed... the hole on the bottom should be big enough for chunks to come through. I own this downstem and it is constantly getting clogged because the hole is not big enough for all hunks of herb to fall through....
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by Jordan Lamonde, 05/26/2020
Great downstem and really thick glass!
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