Specification: Stainless steel outer construction Pyrex glass tank (impervious to abrasive and acidic e-liquid) Maximum liquid capacity is 2ml Filled from the top Adjustable airflow Compatible with the replaceable Innokin Jem coils Removable standard size mouthpiece Diameter 14.5mm Package Contents: 1 x Innokin Jem tank 2 x Innokin 1.6 Ohm Jem coils (one pre-installed in the tank) 1 x Spare glass tube 1 x Spare O ring set 1 x Quick start guide Genuine 510 style Innokin Jem tank compatible with the 1.6 Ohm Jem coils. Suitable for mouth-to-lung style vaping. Coming with a top fill capacity and adjustable air-flow, the Innokin Jem tank is a great choice for entry level vapers and vapers needing a small scale back up. Ideal for use with the Innokin Jem vaporizer but suitable for any 510 mod. The Innokin Jem tank has a variable airflow that allows for a tighter draw and is designed to be inhaled into the mouth before drawing into the lungs. The throat hit and experience is similar to that of a cigarette.