Black Biochemical Cotton With Coarse 50×30×2cm

A black biochemical cotton filter pad measuring 50×30×2cm, designed for aquarium filtration systems. This coarse-textured material provides effective mechanical and biological filtration for maintaining clean and healthy aquatic environments. Key features: • Dimensions: 50×30×2cm • Coarse texture for optimal water flow • Black color • Dual-purpose mechanical and biological filtration • Durable biochemical cotton material • Compatible with most aquarium filter systems This filter pad can be cut to size as needed to fit various filter configurations. The coarse texture helps prevent clogging while providing ample surface area for beneficial bacteria colonization. Regular maintenance and replacement is recommended to ensure optimal filtration performance.