Small Aquarium Sponge Filter with Air Pump, Mini Internal Aquarium Filter for 30-60 L Aquarium, Internal Filter with Filter Media, for Betta Shrimp (Air Pump Not Included)

INCREASED OXYGEN AQUARIUM FILTER: The aquarium sponge filter measures 9.5 x 6.5 cm and is suitable for aquariums from 30 to 60 L. This internal aquarium filter can be used with an air pump (not included). An air hose is provided for connecting the pump. The mini aquarium filter is driven by the air pump, which promotes water circulation and thus increases the oxygen content of the water. MULTIPLE FILTRATION PROCESSES: The quiet sponge filters combine mechanical and biological filtration. The internal aquarium filter effectively absorbs suspended particles and impurities, thus improving water quality and preserving its purity. The bioceramic filter ball absorbs and breaks down harmful substances, promotes the growth of nitrifying bacteria, and creates a healthy environment for living organisms. WIDE RANGE OF APPLICATIONS: This internal filter with filter media meets the filtration and oxygenation needs of betta fish, koi, shrimp, turtles, and fish eggs. You can choose different filter models depending on the number and density of your fish. CLEVER DESIGN: The aquarium air-driven filter features a transparent acrylic shell containing air stones and ceramic biofiltration balls, which effectively absorb suspended particles. The mini aquarium filter has a weighted base, allowing it to sink to the bottom of the aquarium and preventing it from floating. Compact, the small bio aquarium filter saves space and is easily concealed within the aquarium. CLEANING AND MAINTENANCE: Thanks to its removable design, you can disassemble the aquarium filter to clean or replace the sponge and ceramic biofilter ball. First, separate the base from the main body, then remove the plastic cover from the air tube interface. Ensure the air stone is not damaged during disassembly. The sponge aquarium filter uses bubbles generated by an external air pump to draw water through small holes in the top and bottom covers. These bubbles are then released through the water outlets, promoting water circulation and increasing oxygen levels. Suspended matter and impurities in the water are absorbed by the internal aquarium filter. The physical adsorption of the sponge and air stone, along with the biological decomposition of the ceramic filter ball, purifies the water and keeps it clear. Simultaneously, the biological and mechanical filtration promotes the growth of nitrite bacteria, creating a healthy ecosystem in the aquarium. This mini aquarium filter is quiet, providing a peaceful environment for aquarium creatures. This fish filter is generally suitable for aquariums with a capacity of 30 to 60 liters. Regular maintenance can extend the life of the small aquarium filter. As the sponge and ceramic filter ball continuously absorb suspended matter, accumulated pollutants not only affect water quality but also reduce its lifespan. We recommend cleaning or replacing it once a month. Specifications: Dimensions: 9.5 x 6.5 cm; Air hose: 1 m; Suitable for aquariums from 30 to 60 liters; Package contents: 1 x aquarium sponge filter; 1 x aquarium air hose