The UWELL Crown 4 IV Replacement Glass Tube is durable quartz glass manufactured for the 28mm diameter Crown 4 IV Sub-Ohm Tank, featuring a pure quartz construction, thermal shock resistance, and is designed to hold up to 5mL or 6.0mL of  eJuice, dependent on the glass selection.

Package Includes:

1 x UWELL Crown 4 5ml/6ml Replacement Glass Tube.