This 16" GRAV beaker-bottom water pipe is made out of high-quality borosilicate.

This 12" GRAV beaker-bottom waterpipe is made out of high-quality borosilicate.

This 8" GRAV beaker-bottom water pipe is made out of high-quality borosilicate.

This 8" beaker-bottom water pipe is made out of high-quality borosilicate.

Made in the USA.