Helix [Matte Black]One hitter wonder. Designed and executed as only Vessel can, Helix breaks from the pack to deliver performance and style in a never before seen form. The patent pending double helix design provides the perfect combination of filtering and cooling for an experience unlike any other. Now available in a never before seen Matte Black finish a sleek, modern tone that goes with everything and never goes out of style. Helix accessories: Drift Case, Carbon, &