Skip to content

Beaker Bong with Inverted Restriction

Sold out

The Beaker Bong with Inverted Restriction by Grav Labs, stands at 8.5" tall & features a simple design that packs a surprising amount of functionality! This clear glass beaker contains a fixed downstem with holes to filter & diffuse your smoke. This helps create optimal hits with every use!

The scientific glass bong has a 14mm female joint and includes a 14mm male bowl. One of the standout features of this bong is that it contains an inverted restriction that is multi-functional.

This inverted restriction creates a convenient handle around the neck, while also giving this small beaker an ice catcher to cool your smoke. The flared mouthpiece provides a more comfortable smoking experience while also forming an air tight seal, so no smoke escapes.

This glass piece is USA thick glass crafted & is distributed by Grav Labs!


  • Joint Size: 14mm Female
  • Height: 8.5 Inches
  • Grav Labs Bong
  • Beaker
  • Clear Glass
  • Ice Catcher
  • 45° Joint
  • Female Joint
  • 14mm Joint
  • Flared Mouthpiece
  • Fixed Downstem
  • Scientific Glass
  • Thick Glass