Photo 1 of ELXXROONM 12 Pack Large Filter Cartridges Compatible with Aqueon QuietFlow Power Filter Size 20,30,50,75 & E Internal Power Filter Size 40 & Canister Filter Size 200/300/400 & Zilla Large Filter

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Photo 1 of ELXXROONM 12 Pack Large Filter Cartridges Compatible with Aqueon QuietFlow Power Filter Size 20,30,50,75 & E Internal Power Filter Size 40 & Canister Filter Size 200/300/400 & Zilla Large FilterPhoto 2 of ELXXROONM 12 Pack Large Filter Cartridges Compatible with Aqueon QuietFlow Power Filter Size 20,30,50,75 & E Internal Power Filter Size 40 & Canister Filter Size 200/300/400 & Zilla Large Filter