- Versatile filter compatibility: Designed for use with various filters including filter bags, freshwater tanks, tank filters, and power filters. - Key features: - Corporation diameter of approximately 1 mm, compatible with respiratory biological rings, activated carbon, volcanic rocks, coral sands, ceramic rings, and more. Note: Not suitable for finer particles. - Each pack includes 15 filter bags made from high-quality polyester with durable plastic zippers, ensuring easy access and secure closure. - Filter bag dimensions: 15 cm x 10 cm (approximately 6 inches x 4 inches), ideal for strong conversion and effective filtration. - Practical applications: - Use in aquarium setups to maintain clean and healthy water conditions, supporting aquatic life. - Ideal for creating biospheres, enhancing water quality with activated carbon filtration. - Useful in various DIY filtration systems, providing flexibility and reliability for home aquarists. - Designed for ease of use, these filter bags offer a convenient solution for various filtration needs while ensuring optimal performance.