Summer Waves 4.13"x8" Type A/C Pool Filter Cartridge (4 Pack)
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<b>[Product Information]</b><br>
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<li>A OR C CARTRIDGE(4 pack)</li>
<li>Heavy duty paper with more pleats for better filtration</li>
<li>Patented cartridge filter with built-in chlorinator to suspend chlorine tablets in the middle to maximize chlorine effectiveness</li>
<li>Replace filter cartridge every two weeks</li>
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