GravLabs mold processes make their beakers some of the thickest and strongest tubes in the industry. The hour-glass restriction protects the tube from breakage when adding ice. Each tube comes with a showerhead-cut downstem and bowl. Comes with assorted colors for DECAL: blue, green, red, etch, black. Note: Colors WILL vary based on availability.

20" 50x5mm Beaker Bottom Tube