$ 84.99 + Free Shipping & Gift!
Grav Labs designed this pipe to bridge the gap between the Helix and the popular hammer bubblers. 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.