Glass Bubbler

The GRAV® Hammer Bubbler is 4" tall and made on 32mm tubing.

The small GRAV® Hammer Bubbler is 3" tall and made on 25mm tubing. Its fission downstem diffuses smoke through water, and its feet stabilize the bubbler between uses.

The small GRAV® Upright Bubbler is 6" tall and made on 32mm tubing. Its fission downstem diffuses smoke through water and is fixed inside the bubbler to prevent damage.