Up Under Gravel Filter

Under-Gravel Filter.
 
Features:
To improve water circulation in the aquarium, neutralize water temperature and to cultivate bio-bacteria under aquarium gravel.
Able to utilize with many different types of filtration such as, air filter, power head filter, top filter, sponge filter and rain bar units etc. These filters provide double filtration effect to make water crystal clear and obtain optimum filtration effect.
The multi-function bottom filter is easy to assemble and flexible enough to fit on most mini aquarium tank and even the open concept tank.
Suitable for both freshwater and reef aquarium uses.