Hailea VolumeAir 4" (100mm) or 6" (150mm) Flat Circular Airstone:
These quality air stones are ideal for Hydroponic nutrient tanks, aquariums or general applications.
- 4 or 6 Inch diameter airstone will fit into any nutrient tank
- Porous stone creates many small bubbles
- Mixes and oxygenates your nutrient solution
- Oxygenated nutrient solution improves root-health and turbo-charges plant growth