Features: This steamroller features a venturi chamber that spins, cools, and aerates. Three tungsten micro-holes filter and cool outside air being pulled in, creating the distinctive spiral in the chamber. The steamroller's foot and mouthpiece stabilize the pipe between uses.

NOTE: All GRAV Helix decals are Etch, meaning they have a frosted look that is physically etched into the glass. This eliminates the possibility of decal damage, while also hindering counterfeiting, thus ensuring your product retains its value for as long as possible.