GRAV

GRAV® Upline® Hammer Bubbler

The Upline® Hammer Bubbler is 5" tall and made on 38mm tubing. Its ladder perc restrictions create bubbler chambers that wash and filter results. Its fission downstem diffuses results through water and is fixed inside the bubbler to prevent damage. Two glass feet stabilize the bubbler between uses, and its carb and mouthpiece are ergonomically designed. No accessories are necessary for using this bubbler, and it works best with approximately 1" of water.

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