Photo 1 of Medium Filter Cartridge Replacement Compatible with Aqueon QuietFlow LED PRO Power Filter Size 10/Power Filter Size 10/E Internal Power Filter Size 20 (8+6 Counts Ammonia Reducer Filter Pads)

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Photo 1 of Medium Filter Cartridge Replacement Compatible with Aqueon QuietFlow LED PRO Power Filter Size 10/Power Filter Size 10/E Internal Power Filter Size 20 (8+6 Counts Ammonia Reducer Filter Pads)Photo 2 of Medium Filter Cartridge Replacement Compatible with Aqueon QuietFlow LED PRO Power Filter Size 10/Power Filter Size 10/E Internal Power Filter Size 20 (8+6 Counts Ammonia Reducer Filter Pads)