Skip to content

ROOR® Reducing Open-Ended Low-Profile Downstem Straight 18.8mm → 14.5mm

SKU 418-RDS-3
Color: Clear


ROOR® open-ended low-profile downstem.

The joint is 18.8mm where the 16mm Duran Schott Glass diameter downstem meets the tube. 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 Open-Ended Low-Profile Downstem 18.8mm → 14.5mm

Production/Shipping Estimate 2-5 weeks.

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