Lo-Pro 18mm to 14mm Rock Glass Downstem

Upgrade your filtration game with the Precision-Flow Lo-Pro, a high-performance downstem designed for those who demand a smoother, quieter, and more refined experience. This low-profile essential is engineered to fit seamlessly into 18mm female joints while allowing you to use all your favorite 14mm male bowls and accessories.

Engineering the Perfect Bubble
Crafted from premium borosilicate glass, the Precision-Flow Lo-Pro is built to withstand daily use while providing maximum diffusion. Its “low-profile” design ensures a sleek aesthetic that doesn’t add unnecessary bulk to your favorite water pipe.

Multi-Slit Diffusion: Featuring a series of precision-cut slits at the base, this downstem breaks up smoke into thousands of tiny bubbles, maximizing surface area for rapid cooling and filtration.

The “Gold Standard” Seal: Each downstem features a 1-inch frosted joint to ensure a vacuum-tight, wobble-free fit every time you slide it in.

Versatile Sizing: Available in a range of lengths to fit almost any setup—from compact 3″ rigs to towering 6″ beakers.