Developing Products for You
GRAV’s Product Development team is led by veteran artists Stephan Peirce and Micah Evans, each of whom has experienced success with his own brand and products. In keeping with GRAV’s scientific approach, they use rigorous research and cutting edge design tools to create perfect pieces. While their work is undeniably beautiful, our Product Developers never lose track of their primary goal: unparalleled function.Explore the Upline Collection
The Upline’s signature ladder perc is an elegant series of stacked bubbler chambers that force air and water to climb the pipe in unison, thoroughly filtering every hit.
Clear as Color
The Upline family’s pattern of thick restrictions capture and ripple light, turning sections of clear glass into accents rich with color and depth.
Robust & Distinguished
Each piece in the Upline collection is made on extra-thick tubing, adding weight and heft. Their carbs and mouthpieces are ergonomically designed for comfort. You can feel the value in these pieces every time you handle them.
Upline Upright Bubblers
9" Upline Upright Bubbler made on 75mm tubing with ladder perc, fixed fission downstem, angled ergonomic mouthpiece featuring three thick restrictions, and a 14mm Octobowl.