Lee's 30L Original Undergravel Filter, 12-Inch by 36-Inch
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<b>[Product Information]</b><br>
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<li>Made of special quality plastic which resists splitting and cracking</li>
<li>Also has optional flow-thru set-up for use with a power head</li>
<li>Size: 12-inch by 36-inch</li>
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