(3 Pack) Fluval Filter Foam Block 204/205 and 304/305, 2 Blocks each
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<b>[Product Information]</b><br>
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<li>6 Foam Filter Blocks Total(3 Packs with 2 per Pack)</li>
<li>Fits Fluval Filter Foam Block 204/205 & 304/305</li>
<li>Provides mechanical filteration of large particles</li>
<li>Prevents premature clogging</li>
<li>Enhances biological filtration</li>
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