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The Seachem Zip Bag Lg is a large mesh bag for holding filtration media. It is available in a 48 cm x 43 cm (19 x 17 inch) size, easily holds 18 liters of filtration media, and it comes with a convenient corrosion-resistant zipper. It is ideal for large filtration media, especially biofltration such as Seachem Matrix. The mesh size is 8 mesh/inch.
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