25cm方缸使用集成式背滤，The fish tank has a built-in filter.

25cm方缸使用独立式整体背部过滤器，根据搭配不同过滤盒可以制作海水鱼缸和淡水鱼缸。238X56X240mm

The 30cm square tank uses an independent integral back filter. Depending on the combination of different filter boxes, it can be made into a saltwater fish tank or a freshwater fish tank.238X56X240mm