Features: Oxygen is an essential air for fish to live in the fish for tank,and this type of air pump is used for atomizingoxygen.
This device will make oxygen more small and will improve the oxygen amount in fish for tank.
Silent,mini size and ultral ight.
Bubble size can be adjustable and easy to control.
2 shapes can be available for you to choose.

Specifications: Material: Plastic
Type: Round,Square
Color: As pictures shown
Size:
Square: Height: 5cm(1.97in)
Width: 2.5cm(0.98in)
Round: Height: 5.3cm(2.09in)
Width: 2cm(0.79in)

Package Includes: 1 x Atomizer

note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!