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)

General Description The Small Aquarium Sponge Filter is an internal filter designed for aquariums from 30 to 60 liters. Measuring 9.5 x 6.5 cm, it promotes water circulation and increases oxygen levels when used with an air pump (not included). An air hose is provided for connecting the pump. This filter combines mechanical and biological filtration, thus improving water quality and creating a healthy environment for fish, shrimp, and other aquatic organisms. Technical Specifications Dimensions: 9.5 x 6.5 cm Capacity: Suitable for aquariums from 30 to 60 L Compatibility and Accessories Compatible with betta fish, koi, shrimp, turtles, and fish eggs Air tube included for connection to an air pump Installation Install the filter at the bottom of the aquarium to prevent it from floating Connect the air tube to the pump (not included) Use Promotes water circulation and increases oxygen levels Absorbs suspended particles and impurities Use different models depending on the number and density of fish Other Information Removable design for easy cleaning Ensure the air stone is not damaged during disassembly