Features:
·22mm diameter,2ml and 4mL capacity
·Top refill system
·PC drip tip,glass tube
·Two side posts for single coil
·Dual bottom airflow adjustments

Includes:
1*RTA
1*4mL Glass Tube
1*4mL Tank Cap
1*O-ring Set
2*Screws
1*Screwdriver
2*Center Airflow Inserts
2*Side Airflow Inserts