Sainless Steel. 
Includes Full setup 

Tired of headaches,burning in your throat,and nausea while smoking your hookah? Experience the Mya MX function difference.

With the MYA XFunction Down Stem and the use of your purge valve, your can now get rid of trapped gases along with the harsh, stale smoke from your hookah. Begin the MYA XFunction by blowing into your hose to automatically purge your hookah through your bowl. Continue to do this as needed.