Mini Filter Material: Plastic, Air Stone, Biochemical Filter Cotton Color: White Package: 1 x Mini Filter + 1 x 1m Rubber Hose Specifications: Keep Water Clean: Utilizes biological filtration with multi-level filtration to support nitrifying bacteria growth, helping maintain clean water and stable water quality. Multi-layer Design: Features multiple filtration stages; the bottom layer is a biochemical sponge, followed by an air stone, with a funnel outlet cover for improved filtration performance. Material: Made from durable, environmentally friendly plastic for long-lasting use. With Suction Cup: Equipped with a suction cup for secure placement and easy installation and cleaning. Application: Suitable for ornamental fish tanks, breeding setups, and raising young fish, particularly effective in small aquariums for small fish and fry. Package Included: 1 x Mini Filter + 1 x 1m Rubber Hose