- 3 in 1 water and oxygen circulation pump and aquarium filter.
- Durable, fluid design, ultra-quiet filter without noise.
- Good insulation, does not pollute the water.
- Super high flow oxygenation.
- Can be used in fresh water or salt water.
- 3 functions: pumping, oxygen injection and filtration
1 x 3 in 1 aquarium filter and air pump