Photo 1 of Cunina 12PCS Ammonia Reducer Filter Pads Compatible with Aqueon Quietflow 20 & 75, Sponge Replacement Filter Cartridges for Aqueon Quietflow LED PRO Aquarium Fish Tank Power Filter

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Photo 1 of Cunina 12PCS Ammonia Reducer Filter Pads Compatible with Aqueon Quietflow 20 & 75, Sponge Replacement Filter Cartridges for Aqueon Quietflow LED PRO Aquarium Fish Tank Power FilterPhoto 2 of Cunina 12PCS Ammonia Reducer Filter Pads Compatible with Aqueon Quietflow 20 & 75, Sponge Replacement Filter Cartridges for Aqueon Quietflow LED PRO Aquarium Fish Tank Power Filter