【Feature】
- Increase oxygen levels, lower CO2 and raise PH. - Comes with air bubble stone which can connect to standard 3/16" Inner diameter tube - Creates bubbles in fish tank while attached to an air pump(air pump is not included). - Necessary to have around your aquarium if you are a lover of aquatic animals. - Creates water currents and dazzling underwater scenes.

Please check the detail size info in the picture.

Specification:
Material: Resin & mineral
Main Color: as pictures shown
Total size: 2.1" * 2.2" /54mm *55mm(D*H)
Package Content: 1 X Fish Tank Aquarium Decor with Air Stone

Note:
Clean regularly as they get clogged replace stones after it stops working properly.
Due to the manual measurement,there may be small deviations
Due to different displays, the actual color may be slightly different from the picture.
We will take care of all quality problems, if you have any questions about our products, please feel free to contact us by email.