A double walled quartz thermal banger is designed for use with concentrates such as oil, waxes, and other such concentrates. The double walled design prevents waste by containing the material you are trying to smoke from entering the neck of the banger. 

Benefits of Quartz:

• Taste 
• Heat Retention
• Durability 

Quartz is the preferred material for most people. This is due to the fact that quartz is considered to have the best combination of flavor, ease of use, durability, and ability to easily be cleaned. Quartz and glass can be easily mistaken for one another, but there are some key characteristics that are noticeably different when using them. Glass will burn much easier and turns red at much lower temperatures than quartz. Quartz also retains heat much longer than glass and is much more durable.

Picture may vary from actual product. Choose the joint that fits your waterpipe.