• Clean water，healthier fish
• Material: Plastic
• Size: Approx. 2.95"x2.95"x2.17" (L *W*H)
• Triple filtration system:Sand+Sponge+Charcoal
• Increase oxygen levels， lower CO2 and raise PH

Product Description:
- Material: Plastic.

- Size: Approx. 75mmx75mmx55mm (L *W*H)/2.95"x2.95"x2.17" (L *W*H)
- Sand particles can block a large amount of water.
- Sponge can absorb waste products.
- Charcoal become clearer water.
- Triple filtration system-filters cotton， quartz sand， activated carbon.
- Bubble ejection stone in the fresh air will lead to clean water， give your fish - to create a healthy environment for growth.
- Large fish tank filter oxygenation is only suitable for direct secondary use.