Air Driven sponge filter with 2in1 function. It can be used with a combination of mechanical, chemical, and biological filtration which creates clean and clear water for the aquarium.
The additional filtration space for user to add in the filter media of their choice. Example of filtration media include K1, biological rings, Orca nitraguards, activated carbon etc

Space saving design 

Comes in 3 different sizes
Height : 20cm
Height: 30cm
Height: 40cm