The Grav Helix Hand Glass Pipe is impressively designed and features a Venturi chamber pipe body, which creates a swirling cyclone of smoke. The Venturi chamber has 3 air intake holes that spin the smoke creating an amazing swirling motion. The action cools the smoke and delivers smooth, intense hits. Two glass marble feet stabilize the piece between uses. The pipe fits well in the hand, is quality constructed, and expertly designed. The Grav Labs Helix pipe has thick 32mm scientific glass tubing. The large clear bowl head features a front center carb and flat base bottom for stability. No water or other accessories are necessary for using the pipe
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