Penn Plax 6-Pack Small World Filter Replacement Cartridges
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<b>[Product Information]</b><br>
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<li>Convenient 6 pack of filter cartridges</li>
<li>Easy to install replacement cartridges 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>
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