Material: Aromatic polyamide Size: As shown in the picture Color: As shown in the picture 1. Small sealing rings for effective isolation: The Fish tank reverse osmosis membrane is designed with small sealing rings that effectively isolate the water source, preventing water contamination. 2. Multiple layers of filter mesh: The Fish tank reverse osmosis membrane uses multiple layers of filter mesh, which can filter out purer water. 3. Multiple models available: The Fish tank reverse osmosis membrane comes in multiple models that can adapt to fish tanks of different sizes and uses, meeting the needs of users. 4. Efficient and energy-saving: The Fish tank reverse osmosis membrane uses advanced reverse osmosis technology to efficiently remove impurities and harmful substances from water, achieving energy-saving and environmental protection goals. 5. Easy installation: The Fish tank reverse osmosis membrane is easy to install and does not require professional assistance; anyone can easily install it. Package includes: 1*Fish tank reverse osmosis membrane