Grav Labs is known for innovative new designs. Grav has done it yet again by mating the Helix with your favorite water pipe styles! The Helix utilizes a "Venturi Chamber" in which 3 micro-hole and directional air-intake creates the incredible Helix Swirling Action. Watch as the tornado mixes with air to create a smooth and satisfying hit. Designed by Grav Labs and made of high quality scientific glass.