SunSun Canister Filter Media Set
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<b>[Product Information]</b><br>
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<li>Includes: (2) 1lb activated carbon in mesh media bags, 80 pieces of 20mm bio balls and (2) 1lb ceramic rings in mesh media bag</li>
<li>Removes and improves water clarity, color and odor</li>
<li>Porous ceramic rings provide ideal growing site for beneficial bacteria</li>
<li>Bio-balls promote gas exchange and increase dissolved oxygen levels</li>
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