The mini filter aquarium is small and suitable for small aquariums, such as spherical aquariums, special-shaped aquariums and other small family aquariums.It can effectively filter and supply oxygen. Mini filter: It is small and suitable for small aquariums, such as spherical aquariums, special-shaped aquariums and other small family aquariums. It has three functions: filtration, water circulation and oxygen supply. Filtering Function: Small volume but big function, this mini filter can filter effectively.Directions: Works completely submerged in water. Suction cup design: strong suction force, it can be installed anywhere on the aquarium.Do not use an oversized air pump to avoid uneven mixing of water and air. Easy cleaning and maintenance;Low loss and high efficiency;Super quiet;long lifespan.Easy to maintain: Clean the sponge once a month and change it every 5 to 6 months. The mini filter aquarium is small and suitable for small aquariums, such as spherical aquariums, special-shaped aquariums and other small family aquariums.It can effectively filter and supply oxygen.Mini filter: It is small and suitable for small aquariums, such as spherical aquariums, special-shaped aquariums and other small family aquariums.It has three functions: filtration, water circulation andoxygen supply.Filtering Function: Small volume but big function, this mini filter can filter effectively.Directions: Works completely submerged in water.Suction cup design: strong suction force, it can be installed anywhere on the aquarium.Do not use an oversized air pump to avoid uneven mixing of water and air.Easy cleaning and maintenance;Low loss and high efficiency;Super quiet;long lifespan.Easy to maintain: Clean the sponge once a month and change it every 5 to 6 months.Specifications:Product Name: 3 in 1 Mini FilterMaterial: PlasticVoltage: AC220-240VPower: 3W Mini aquarium with 3W filterHead: 0.5 mTraffic: 300L/HPackage weight: 140 gPackage size: 8.5 x 5.5 x 13.5 cmPackage list: 1 * mini filterThe mini filter aquarium is small and suitable for small aquariums, such as spherical aquariums, special-shaped aquariums and other small family aquariums.It can effectively filter and supply oxygen.Mini filter: It is small and suitable for small aquariums, such as spherical aquariums, special-shaped aquariums and other small family aquariums. It has three functions: filtration, water circulation and oxygen supply.Filtering Function: Small volume but big function, this mini filter can filter effectively.Directions: Works completely submerged in water.Suction cup design: strong suction force, it can be installed anywhere on the aquarium.Do not use an oversized air pump to avoid uneven mixing of water and air.Easy cleaning and maintenance;Low loss and high efficiency;Super quiet;long lifespan.Easy to maintain: Clean the sponge once a month and change it every 5 to 6 months.