This round bong bowl is made from high-quality borosilicate glass so it can stand the heat well. You can pack with more dry herbs in this 2.3″ bong bowl.
And you can remove it with the three clear marbles on the bowl easily.
This one features a standard 18mm male joint that is suitable for all the 18mm female joint water pipes/bongs/dab rigs or other accessories with a tight fit.
Also, the 14mm Male Joint one is for sale on Puffingbirdca!