8 Pack Large Filter Cartridges Compatible with Aqueon QuietFlow Filter LED PRO Size 20,30,50,75/Power Filter Size 20,30,50,55/75, E Internal Size 40 Canister Filter

Strong Compatibility: Large Replacement Filter Cartridges for Aqueon, Size: 6.5 * 5.5 inches. This fish tank filter cartridge is compatible with QuietFlow LED PRO Power Filter Sizes 20, 30, 50, 75, QuietFlow Power Filter Sizes 20, 30, 50, 55/75, QuietFlow'E Internal Power Filter Size 40, QuietFlow Canister Filter Sizes 200, 300, 400 and Zilla size 40.

4-Stage Filtration: Our filter cartridge is made of double high-density cotton + activated carbon + Zeolite (a new filter media), with a quadruple filtration effect, which can filter and adsorb 99% of impurities. The treated zeolite can make the pollutants and heavy metals in the water to be further adsorbed effectively, and the filtration effect is more excellent. So as to keep the water source clean and the healthy growth of fish.

New Filter Media - Zeolite: Our spherical zeolite is reprocessed zeolite with stronger cleaning power than ordinary zeolite, effectively adsorbing heavy metals and other harmful ingredients. Balance PH to achieve a stable water state and improve the efficiency of fertilization of aquatic plants.

Easy Installation: Simply turn off the filter, remove the used cartridge, and flush the new cartridge under water to remove dust. After rinsing, insert the filter cartridge into the flushing chamber in the “FRONT” orientation, make sure the filter cartridge fits completely into the chamber.

Excellent Filtration Performance: Specifically designed for Aqueon QuietFlow Filters, this aquarium filter cartridges provide efficient filtration performance, maintaining a pristine aquatic environment. For optimal performance, we recommend that you replace the filters every 2-4 weeks to maintain water quality. (It depends on the number of fish in fish tank).