EcoPlus Round Air Stones are designed to add oxygen to the water in your hydroponic system or aquarium. As the air stone oxygenates the water, it also circulates the nutrients and helps to maintain an even temperature. The EcoPlus Round Air Stones are for use with 3/16" ID tubing.

Features:

• Large and medium air stones available
• For use with 3/16" ID air tubing
• Adds oxygen to water
• Circulates nutrients
• Helps maintain an even temperature
• For hydroponic systems and aquariums