Made of ecological sponge and high quality plastic, it is safe for all fish. Good filtering effect, can absorb harmful substances and increase loxygen. Biochemical filtration is adopted to more effectively filter impurities in Leau and stabilize the quality of laquarium. Delivered with two fixed suction cups, which can be quickly fixed and prevent falls. Suitable for aquariums and all the small tropical aquariums. Characteristics: 1. Made of high quality ecological sponge and plastic, without danger for all fish. 2. Good filtering effect, can absorb harmful substances and increase loxygen. 3. Biochemical filtration is adopted to more effectively filter impurities in Leau and stabilize the quality of laquarium. 4. Supplied with two fixed suction cups, which can be quickly fixed to avoid falls. 5. Suitable for aquariums and all the small tropical aquariums. Specifications: Material: Plastic + Cotton filter Mode ofmploi: 1. This product must be used with an air pump (the air pump must be
