O2 Cylinder Stone

The Elemental Solutions 4" O2 Cylinder Air Stone is a useful tool to help encourage circulation and oxygen in your hydroponic grow system's water. The 4" O2 Cylinder Air Stone requires 3/16 tubing.

• 4" tall and 2" diameter
• Accelerates oxygen replenishment
• Increases water circulation
• Compatible with 3/16 tubing