5mm male bowl

The Grav Labs Basic Beaker Bong is a perfect entry level scientific glass bong for tokers everywhere

protecting the silicone and extending its life

this piece comes to you from wonderful Austin

The double wall design keeps you from 'cooking' the oils as you heat the dish

GRAV® 90° Quartz Banger with 10mm Male Joint Concentrate Rig 5mm male bowlThis GRAV clear quartz banger with a 10mm male joint is compatible with any 10mm female joint. Since it has a 90 angled neck, it's best paired with straight based water pipes and oil rigs. The flat dish is perfectly designed for vaporizing plant extract. When you use this banger, you'll notice the high quality of the quartz glass. It's thick, durable and feels like a quality piece. Like all GRAV glass products, this banger is made with the best