Marineland Magnum® Polishing Internal Canister Filter Replacement Floss Sleeve Size:3-pack Black Diamond Media works as

Black Diamond Media works as much as twice as fast as the competition

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Marineland Magnum® Polishing Internal Canister Filter Replacement Floss Sleeve Size:3-pack Black Diamond Media works asMarineland Magnum Polishing Internal Filter Rite Size JH Floss Sleeves fit the Marineland Magnum Polishing Internal Canister Filter. The JH Floss sleeve is designed with fine mesh to trap and hold dirt particles. The open cell construction promotes water flow without impairing overall filter performance. The Marineland Magnum Polishing Canister Filter Floss Sleeve should be changed monthly for best results.