NOW YOU DON'T HAVE TO WORRY ABOUT CLOGGED UGF.
You can simply just remove the tube when it's clogged, and put it back when you clean it.Don't have to remove the whole box just to clean it.Simple and extremely easy to use.
The undergravel filter box provides filtration in your shrimp tank. It can be filled with biomedia or soil to help buffer your pH to an acidic range.
Size: 15cm x 15cm x 15cm
*Biomedia or soil is not included.