The ALIEN air stone is made of quality Black Corundum Stone which is sintered at 1500 Degrees Celsius. It is a small stone at 50mm but punches above its weight by using the air more efficiently, creating finer bubbles for increased aeration with no increase in pressure.
- Creates finer bubbles for increased aeration efficiency with no increase in pressure
- Sucker clips for airline available separately
- Size: 50mm
