Cylindrical Airstone 2"

Cylindrical Airstone Size - Large 2"
• Fits standard 4mm air tubing
• Designed to add oxygen and circulate nutrition in your fish tank or hydroponic growing system.
• Extend the life of your nutrient solution, keep roots healthy.
• Produce fine bubbles for oxygen replacement.
• Fit for hydroponic systems, ponds, aquariums or fish tanks and other systems.