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The POLY-FILTER 4X8 for aquariums is versatile in power and undergravel filters, efficiently removing organics, ammonia, phosphates, metals, and medications to simplify fish and invertebrate care.
The POLY-FILTER 4X8 by Poly-Bio-Marine Inc. comes in a blue and multicolored package that features operating instructions, an underwater coral and fish scene background, and contact information at the top.
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POLY-FILTER 4″X8″

$12.99