Size (length*width*height): 20cm x 20cm x 20cm

3380/L SPECIFIC SURFACE ARE Mountain Tree Bacteria house specific area Filtration media area increase by more than 3 times thanks to our patented lotus root plus spiral structure. FAR INFRARED RAY EMITS Far infrared ray Mountain Tree Screw Bacteria House is far infrared super ceramics added, expensive gems, silicon ore, germanium, and tourmaline. Contain various of minerals which are vital for the fish digestive system, color, bones, bloodWhats more, the minerals dissolve out of ore and let fish grow vigor. MESH PROTECTOR Mesh protector Each piece of lotus root media comes packaged with a mesh protector, which lens to its safe shipment and increases the 3D spatial capacity for bacterial development mesh protector EXCELLENT WATER ADSORPTION water absorption Water absorption rate of 80% certifies maximum media filter efficiency great absorption RICH MINERAL ELEMENTS Rich elements Contains various minerals for fish, coral, and plants, including K, Mg, Fe, Zn, Na, Ca, which improves the growth rates of fish bones while enhancing fish appetites and optimally balancing their blood conditions. Measurement : 4 X 16.5cm