The Small World replacement filter cartridge (2 pack)
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<b>[Product Information]</b><br>
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<li>Easy to install replacement cartidges for your Small World® filters.</li>
<li>High quality carbon/zeolite cartridge for chemical filtration and a foam block filter for mechanical & biological filtration</li>
<li>Clears discoloration and removes harmful contaminants & odors.</li>
<li>Insures you have replacement cartridges when you need them.</li>
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