Specifications:
- Height: 21mm
- Inner Diameter: 21.7mm
- Outer Diameter: 24.5mm
- Diameter of Bulb: 28mm
- Replacement Uwell Crown 4 tank bulb glass and chimney extension piece.
- Bubble glass will increase your tank capacity to 4ml.
Uwell Crown 4 Glass Box Contains:
- 1 x Uwell Crown 4 Bubble Glass
- 1 x Chimney Extension