Fish Tank Medium Filter Cartridges Replacement Filter Cartridge for Aqueon

Versatile Compatibility for Aqueon Filters: The large-sized filter is suitable for Aqueon QuietFlow LED PRO power filters size 20, 30, 50, 75, for QuietFlow power filters size 20, 30, 50, 55/75, for QuietFlow E internal power filters size 40, and for QuietFlow canister filters size 200, 300, 400.

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