Aquavita Round Air Stone, 4 in.

Made from high-quality Carborundum and ceramic materials fired at 1350?C, the Aquavita Round Air Stones are great for aerating and circulating water in aquariums and hydroponic systems. These are an economical solution that work great with any air pump!

This model Air Stone is compatible with 3/16″ inner diameter tubing.

Available in 4 sizes:

• 4 in.
• 6 in.
• 8 in.
• 10 in.