PurifyLogix 4PCS Upgraded Activated Carbon Micron Cartridge Replacement for Marineland Magnum Polishing Internal Canister Filters (ML90770), 2 Cartridge & 2 Rubber Gasket Compare to Part PA0140Brand: PurifyLogix Color: Black Features: UPGRADED ACTIVATED CARBON: In addition to the traditional micron cartridge, we have added coconut shell activated carbon granules to the sandwich of the filter cloth, which ensures proper water flow while adsorbing odors for clearer aquariums SEAMLESS COMPATIBILITY: These micron cartridges are designed to work with SeaWorld's Magnum ML90770 canister filters and the HOT Magnum series. They are a direct