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ROOR® Classic Style Open-Ended Downstem Green 5½”

SKU 418-MT-5-1/2-D22

ROOR® Color Diffused Downstem Green. Made to fit Roor tubes with a female joint of 18mm and downstem fits 18mm bowls.

Will also fit most tubes that have an 18mm female joint. if you don't own a ROOR but have a tube that has an 18mm joint you can still own this beautifully crafted stem to measure your necessary downstem length see diagram below for measuring tips.

Elegant and stylish single open ended downstem to fit beaker tubes measures 5½” Green color glass tubing. from our ROOR® COLORS Collection.


  • (1) ROOR® Color Green Tubbing 18.8mm → 18.8mm Open Ended Downstem white ROOR decal measures 5½”


Every downstem is hand-measured and cut to each individual tube. If you owned a beaker or straight here are the best possible sizes to order for your tube.

ROOR® Classic Straight tube typical lengths that will fit 3 ¼” to  4” size changes in ¼” increments.

ROOR® Classic Beaker tube typical Lengths that will fit 4 ¾ ” to 6” size changes in ¼” increments.

Recommendations based on the average use of sizes for specific pieces are not a guarantee. The best way to know is to keep the original size of your downtem in your records if possible. for assistance, you can reach out directly to ROOR at for downstem sizing support. 

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