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    • $11.99
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    Patented Aqueon dual-sided dense-floss cartridges contain over 25% more activated carbon than the leading brands. These unique cartridges were designed to ensure even distribution of carbon throughout for more thorough filtration and longer cartridge life.
    • High quality activated carbon keeps water clean
    • Align cartridge bottom key slot for an accurate fit inside the filter
    • Rinse under water to remove carbon dust before replacing
    • For optimal performance, change approximately every 4 to 6 weeks
    • Do not clean Bioholster when replacing the cartridge as it contains beneficial biological bacteria

    SMALL//3 PACK/6 PACK - Fits Aqueon mini bow aquarium filters

    LARGE/1 PACK/3 PACK/6 PACK/12 PACK - Fits Aqueon quiet flow 20,30,50, and 55/75 filters 

    MEDIUM/1 PACK/3 PACK/6 PACK/12 PACK - Fits Aqueon quiet flow 10 filter

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