Side length 8 * 8cm, box height 12cm , outlet height 2-12cm (adjustable)
This is a built-in filter, using environmentally friendly sponge, air pump or pumps can be connected to achieve the dual effect of aeration and filtration to increase survive rate for fish.
1.Includes filter cotton, biochemical cotton coarse cotton, fine cotton filter, filter stone, ceramic ring.
2.Multilayer filter cotton + two filter stone results in more thorough filtration
3.Cylinder angle curved shape, space saving corner design
4.Outlet angle height and angle adjustable