Features: Help keep aquarium water beautifully clear. The mesh can effectively filter impurities, keep pump clean and lengthen the service life. Fiber materials, which is durable and reliable. Easy to install, convenient to clean and replace filter cotton plate. It is suitable for users in homes, offices, hotel and other place who use pumps. Our filter can be widely used in waterscape facilities such as fish tanks, flower pond and fountains to ensure a clear and clear water quality and provide a healthy environment. Specifications: Component:Fiber Size 1: Approx.15cm/5.91inch Size 2: Approx.20cm/7.87inch Size 3: Approx.25cm/9.84inch Size 4: Approx.30/11.81inch Quantity: 1 Pc Package Includes: 1pc Filter Bag note: 1.Please allow 1-2cm errors due to manual measurement, note that you donot mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.