Threlaco 15 Pcs Underwater Filter Media Compatible with Fluval U4, Including 4 Biological Foam Mat, 4 Poly/Carbon, 500g Bio-Ring, 4 Mesh Bags, 2 Grease, Maintenance & Replacement Filter Media Kit

Features: This maintenance and replacement kit is specifically tailored for use with filters. Each component, from the biological foam mats to the polycarbonate cartridges, is designed to fit seamlessly into the filter unit. This compatibility ensures optimal performance, as the filter media work in harmony with the filter's mechanics. You can be confident that when using this kit, your filter will function at its best, providing reliable and efficient filtration for your aquarium. Compatible with Fluval U4, this kit is designed with user convenience in mind. The various components can be easily customized to suit the specific needs of your aquarium. The filter media can be arranged and replaced with minimal effort. Whether you need to adjust the filtration based on the type of aquatic life in your tank or simply want to perform routine maintenance, the kit's components are easy to access and manipulate, making it a hassle-free experience for aquarium owners. Specifications: Material: foam, poly-carb Size: Biological foam mat: 9.25 x 2.52 x 0.67 inch Poly/carbon: 8.6 x 2.36 x 0.39 inch Mesh bags: 0.47 x 0.71 inch Package includes: 4 x biological foam mat 1 x 500g Bio-ring 4 x Poly/carbon 4 x Mesh bags 2 x Grease Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays

• Comprehensive Kit Components: compatible with Fluval U4, this all-in-one maintenance and replacement kit includes 4 pieces of underwater biological foam mats, a 500g pack of ceramic white bio-rings, 4 underwater polycarbonate cartridges, 4 zippered mesh bags for aquarium filter media, and 2 tubes of 4g lubricant; This comprehensive set equips you with everything necessary to maintain and upgrade your filter system without the need to source parts separately
• Effective Mechanical Filtration compatible with U4 biological foam mat: compatible with Fluval U4, the biological foam mats deliver consistent mechanical filtration; They fit securely within the filter chamber to help keep debris from re-entering the water; Their pore structure supports consistent water flow and helps reduce clogging in freshwater, saltwater, or reptile aquarium environments
• Advanced Biological Filtration by Ceramic White Bio-rings: compatible with Fluval U4, the ceramic white bio-rings are a crucial part of maintaining a healthy aquarium ecosystem; They assist in controlling ammonia and nitrate levels, supporting a balanced nitrogen cycle; The porous design improves water contact time and helps maintain a clear and healthy aquatic habitat; The included zippered mesh bags make it convenient to use these bio-rings in the filter setup
• Thorough Chemical Filtration with Polycarbonate Cartridges: compatible with Fluval U4, the underwater polycarbonate cartridges feature a dual-sided design for comprehensive chemical filtration; The polyester side captures fine particles, while the activated carbon side helps remove dissolved impurities and odors; Suitable for use in freshwater, saltwater, and reptile tanks
• Sufficient Quantity for Extended Use: this kit offers sufficient quantity for an extended period of use; You won't need to constantly repurchase individual items in a short span; This not only saves you the trouble of frequent shopping but also ensures that you always have replacement parts on hand when needed; The included lubricant tubes also contribute to the long-term functionality of the filter system