GRAV® Hammer Bubbler in Assorted Colors

The Hammer has been redesigned with a wide 38mm can, so it rests easy when not in use. A fission downstem diffuses smoke through 0.5” of water for cooling…and in 11 comely colors, it looks good doing it.

SPECS:

• Designed by: Dave Daily
• Main material: Borosilicate
• Use with: Flower