(3 Pack) Marina Slim Filter Zeolite Plus Ceramic Cartridge, 3 Cartridges each
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<b>[Product Information]</b><br>
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<li>9 Total Cartridges (3 Packs with 3 per Pack) Marina Slim Filter Zeolite Plus Ceramic Cartridges</li>
<li>Absorbs toxic ammonia and reduces fish stress</li>
<li>Contains Ceramitek, a highly porous ceramic biological filter medium</li>
<li>Fits the Marina S10, S15 and S20 Slim Filters</li>
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