Key features

• •Compatible with for Top Fin RF-S Filters: Specifically designed to be compatible with Top Fin RF-S filters, ensuring seamless replacement and optimal performance in your aquarium.
• •Inhanced 4-Layer Filtration: Featuring a robust combination of cotton, activated carbon, and advanced Zeolite media, these cartridges deliver superior filtration. Effectively remove impurities, debris, and toxins, ensuring a pristine and healthy aquatic environment while maintaining crystal-clear water clarity.
• •Easy to Install & Replace: No tools required! Only steps， first, remove used cartridge; Second, rinse new cartridge under cool water to remove dust. Thirdly, after rinsing, insert cartridge into filter chambe. Make sure cartridge fits completelly into filter chamber.
• •Long-Lasting Performance: Designed for longevity, our filter cartridges maintain peak efficiency for up to 4 weeks, providing consistent filtration without frequent replacements.
• •Value Pack for Convenience: Available in multi-pack options, our filter cartridges offer cost-effective aquarium maintenance, ensuring you always have a replacement on hand when needed. Basic filter cartridge works with TOP FIN. The filter cartridge is not sold or created by TOP FIN.