2) Unicel 5CH-502 Marquis Spa Filter Replacement 20041 20042 Cartridges C-5303
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<b>[Product Information]</b><br>
<ul>
<li>50 Sq Ft</li>
<li>Length: 12-1/2"</li>
<li>Outside Diameter: 5-3/16"</li>
<li>Top Hole: Bar Handle</li>
<li>Bottom Hole: 2" Male Thread/MPT</li>
</ul>
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