Color as shown Size: 20.8 x 16.7 x 5 cm Weight: 100 g MULTIFUNCTIONAL: The sponge filter offers mechanical and biological filtration. The air injection chamber creates tiny bubbles to increase solubility. Oxygen. ÉBIOCHEMICAL SPONGE: The design and manufacture of biochemical cotton has undergone extensive testing. The cotton filter element is made of high quality materials. and is more durable than any sponge filter element on the market. NO NOISE: The filter makes no noise when in operation and should only be rinsed clean. into the water tank and pressed. Sponge while cleaning. WIDE APPLICATION: Up to 55 gallons, it is particularly suitable for keeping small freshwater fish (such as petunias, guppies, scalefish, etc.) or hatcheries, birthing tanks and frying tanks as the flow through the filter is produced is very weak, almost impossible to use The fish goes to; through the filter. BUY WITH CONFIDENCE: In order to provide you with the highest quality service, please do not hesitate