Description
![](https://ae01.alicdn.com/kf/S355c7971e5f34118bb70ad5f9e6590ee7.jpg?width=800&height=52&hash=852)
【Features】
-Sponge filters provide both mechanical and biological filtration for the fish tank.
-Simply install an air line into the unit and it mostly fit to external or top filtration system for pre-filtration purposes.
-Aerobic bacteria colonizes on the sponge, providing a bacterial substance to facilitate the nitrogen cycle.
-Multilayer sponge is easy to clean, providing larger surface area for filtration with no clogging.
【Specifications】
-Item number: XY-2820
-Material: Plastic + Sponge
-Size: about 13.5cm x 9cm x 5cm
-Color: Black
-Qty: 10 pcs