Grav Labs – Helix Cross-Cut Diffuser Downstem – Description
Get this cross-cut diffuser downstem as a spare or replacement part for your Grav Labs Helix tube set-up, or use it to add high-end glass quality and diffusion to any bong! Handmade in the USA, this high-grade borosilicate glass downstem from Grav Labs features a low-profile, inside-cut 18.8mm > 14.5mm glass-on-glass joint and features the etched Grav Labs label.
Grav Labs – Helix Cross-Cut Diffuser Downstem – Specs
- Brand Name:Grav Labs
- Joint Size:18.8 mm > 14.5 mm