ELXXROONM 18pcs Medium Filters Cartridges+ 14pcs Ammonia Reducer Filter Pads Compatible with QuietFlow LED PRO Power Filter Size 10 & E Internal Power Size 20 & Zilla Size 20

["Perfect Compatibility: Our medium filter cartridges is perfect compatible for QuietFlow LED PRO Power Filter Size 10 & QuietFlow Power Filter Size 10 & QuietFlow E Internal Power Filter Size 20 & Zilla size 20 on the market. With this aquarium filter cartridge, you can keep the water healthy and clean for your fishes all the time.","Excellent 5-Stage Filtration Performance: Ammonia reducer filter pads + carbon filter Cartridges perfect combination forms a complete filtration system, which can filter and absorb 99% of the impurities, so as to keep the water source clean and the healthy growth environment of fish.","Strong Purification Effect- Excessive ammonia nitrogen affect the growth and development of fish and cause water to stink. Our ammonia reduction pad remove excess harmful or toxi c ammonia and nitrogen while trapping excess waste, food and other organic debri.","Upgraded 6-grid Filtration Structure: We upgraded the structure of filter cartridges to use high density cotton + 50% more nutshell activated carbon + upgraded 6-grid design, which make the distribution of carbon more uniform without accumulation. Maximize water circulation efficiency and ensure the fish tank is always clean.","Quick Installation: Remove the used cartridge and flush the new cartridge under clean water or water of aquarium to remove dust. After rinsing, insert the cartridge into the flushing chamber and make sure the filter cartridge fits completely into the chamber.","After-Sales Service: We recommend that you replace the filters every 2-4 weeks to maintain water quality. We are professional in the field of Aquarium Filter Cartridges, if you have any problems, please feel free to contact us. We maintain a thorough quality control process to ensure compatibility with QuietFlow models."]