Air stone 10 pieces

The air stone is essential for fish oxygen.
Soak the stone in water for one hour before use.
Brush the stone surface every 2 weeks.
The air pump and air tube are not included.
Suitable for inner diameter 4mm soft tube.
 
 
Specifications
Material stone
Color blue, black, and green
Quantity 10 pieces
Suitable air tube inner diameter 4mm and 0.15″
 
Size
Diameter 15mm and 0.59″
Height 25mm and 0.98″
 
 
Notes
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.