Brand

• All 

  Aspire (1) Geekvape (2) Innokin (1) Uwell (1) Voopoo (2)

Diameter

• All 

  (1) 26mm (1)

Inhalation

•  (1)
•  Direct (DL) (4)
•  Direct (DL) and Indirect (MTL) (1)
•  Indirect (MTL) (1)

Filling

•  by the bottom (3)
•  by the side (1)
•  By the top (7)

Airflow

•  Adjustable (4)