Aquarium internal filter, aquarium filter, practical fish filter, aquarium filter with hose to increase the oxygen content in the water

General description The aquarium internal filter is designed to enhance the oxygen content in the water while effectively filtering out impurities. It stabilizes water quality, making it ideal for various aquarium organisms. This practical fish filter is easy to use and suitable for small aquariums, including ball aquariums and uniquely shaped tanks. Technical specifications Three-layer design: includes a biochemical sponge for impurity filtration and bubble stone layers for oxygen enrichment. Ultra-quiet operation: functions silently while providing excellent filtering performance. Installation Equipped with a suction cup for easy attachment anywhere in the aquarium. No need for special reinforcement at the bottom, ensuring safety for fish. Usage Ideal for small home aquariums, enhancing oxygen levels and maintaining water quality.