Aerates water and increases oxygen in the water.
Increases water current, gives your aquarium a more natural and healthier environment.
In water plant tank, place rain bar unit near water to get rid of oil.
In water plant tank, place rain bar unit under the water level, can rines dirty substances of leaf, easy to absorb the light for water plants.
* connector 12mm * Pipe diameter 16mm * Each tube is 15.6cm , Total 2 tubes

 
 Aerates water and increases oxygen in the water. Increases water current, gives your aquarium a more natural and healthier environment. In water plant tank, place rain bar unit near water to get rid of oil.In water plant tank, place rain bar unit under the water level, can rines dirty substances of leaf, easy to absorb the light for water plants.