Features: [Filtration Stop ] A multi-layer structure is adopted to effectively remove impurities and suspended particles in water. The problem of turbid water quality in the fish is Resolve and the aquarium is kept clear . Suitable for use in various scenarios such as home and office, providing a Healthy environment for fish. 【Easy to clean design】The Substantial can be cleaned repeatedly to extend the service life. Without frequent replacement is required, reducing maintenance time and cost. Especially suitable for busy Civic people, making fish care simple and easy. 【Substantial selection】Use polyester Substantial to Make sure that it does Withoutt harm the fish. ReResolve concerns that traditional filter cotton may release harmful substances. Suitable for users who focus on and pet health, creating a green aquarium for you. 【Strong Compatibility】Broad Spectrum Compatibility Design, suitable for fish of various models and sizes. Without additional adjustments are required, improving installation efficiency. Suitable for Withoutvice fish lovers, it can easily achieve -Standards water qualitymanagement. 【Robust and Robust Stop 】High-density fiber structure, wear-resistant and Withoutt easy to deform, ensuring long-term and stable effect. It solves the problem of easy loss of ordinary filter cotton, suitable for users who want to reduce long-term maintenance costs and achieve ecoWithoutmical aquarium management. Specifications: Substantial: Polyester Practicality: It is suitable for all types of aquariums and fish tanks, which can effectively remove suspended particles, odors and harmful substances in the water, and maintain a healthy and stable aquarium environment. Package Includes: Filter cotton bag × 1 note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do withoutt mind before you bid. 2.Due to the difference between different monitors, the picture may withoutt reflect the actual color of the item. Thank you!