Package Dimensions:11 x 6.6 x 6.6 cm; 70 Grams Colour:Small (for 15-150L) Quantity:1 Item Weight:70 g 1. The multi-functional aquarium sponge filter integrating biological filtration, oxygenation and physical filtration can remove particles and debris. It can be used with biochemical cotton to capture floating objects, effectively filter, protect fish from being sucked into the filter element, and ensure clear water quality. Increase the oxygen content and purify the fish tank environment2. Ecological cotton, energy saving and environmental protection, no noise, honeycomb structure, good water permeability, strong filtration, helps to suppress noise and eliminate leakage through self-priming function, with its quiet operation, you can enjoy a peaceful home environment3. S is suitable for 15-150L fish tanks (fish tanks below 40cm), M is suitable for 30-250L fish tanks (fish tanks below 60cm), and can be used in aquariums, ecological boxes, breeding ponds, landscape pipes, gardens, rockery fountains, waterfalls , hydroponic system, irrigation system, etc. Multiple Filtration FunctionsA multi-functional aquarium sponge filter that integrates biological filtration, oxygenation and physical filtration, can remove particles and debris, with biochemical cotton, catch floating objects, effectively filter, and protect fish from being sucked into the filter element. Ensure the water quality is clear, increase the oxygen content, and purify the fish tank environment Super Filtration The internal filter of the fish tank contains 3 kinds of filter media: 1. Coarse medium sponge can remove particles and debris 2. The honeycomb structure actively absorbs impurities in the water, and can filter even finer substances 3. Built-in filter stone, Biochemical cotton, super filtration, remove suspended solids and pollutants in water Silent operationEcological cotton, energy saving and environmental protection, no noise, honeycomb structure, good water permeability, strong filtration, helps to suppress noise and eliminate leakage through self-priming function, with its quiet operation, you can enjoy a peaceful home environment Easy to useJust install the air tube into the unit and turn on the air pump, fully squeeze the wet sponge and then sink into the bottom of the tank, generating a large number of tiny air bubbles, promoting the gas exchange process and increasing dissolved oxygen in water Wide applicationM is suitable for 15-150L fish tanks (fish tanks below 40cm), L is suitable for 30L-250L fish tanks (fish tanks below 60cm), can be used in aquariums, ecological boxes, breeding ponds, landscape pipes, gardens, rockery Fountains, waterfalls, hydroponic systems, irrigation systems, etc. See more product details Multiple Filtration FunctionsA multi-functional aquarium sponge filter that integrates biological filtration, oxygenation and physical filtration, can remove particles and debris, with biochemical cotton, catch floating objects, effectively filter, and protect fish from being sucked into the filter element. Ensure the water quality is clear, increase the oxygen content, and purify the fish tank environment Super Filtration The internal filter of the fish tank contains 3 kinds of filter media: 1. Coarse medium sponge can remove particles and debris 2. The honeycomb structure actively absorbs impurities in the water, and can filter even finer substances 3. Built-in filter stone, Biochemical cotton, super filtration, remove suspended solids and pollutants in water Silent operationEcological cotton, energy saving and environmental protection, no noise, honeycomb structure, good water permeability, strong filtration, helps to suppress noise and eliminate leakage through self-priming function, with its quiet operation, you can enjoy a peaceful home environment Easy to useJust install the air tube into the unit and turn on the air pump, fully squeeze the wet sponge and then sink into the bottom of the tank, generating a large number of tiny air bubbles, promoting the gas exchange process and increasing dissolved oxygen in water Wide applicationM is suitable for 15-150L fish tanks (fish tanks below 40cm), L is suitable for 30L-250L fish tanks (fish tanks below 60cm), can be used in aquariums, ecological boxes, breeding ponds, landscape pipes, gardens, rockery Fountains, waterfalls, hydroponic systems, irrigation systems, etc.