Black Biochemical Cotton 50×30×2Cm

This black biochemical cotton filter pad measures 50×30×2cm and features a fine-pore, thickened design. It's specifically engineered for aquarium filtration systems to effectively remove impurities from water. Key features: • Dimensions: 50×30×2cm • Fine pore structure • Thickened 2cm design • Pack contains 4 pieces • Compatible with circulation filtration systems • Black color • Helps reduce impurities in water This biochemical cotton filter pad is designed for aquarium and water filtration applications. The fine pore structure and 2cm thickness provide effective mechanical and biological filtration. The black material is durable and helps maintain clean, healthy water conditions. Each pack includes 4 filter pads that can be used in compatible circulation filtration systems.