Diffuser oxygen in three sizes.
The air stone is important for fish oxygen.
Soak the stone in water for fifteen minutes before use.
Clean regularly by a brush as they get clogged after months of usage.
Small Diameter 8cm and 3.1″
Medium Diameter 10cm and 3.9″
Large Diameter 12cm and 4.7″
The real product colors may be slightly different from what you see in the images.
The product dimensions may be slightly different from what is written in the product specifications.