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1/2 (0.5) Micron 7" x 16" Polyester Felt Filter Bag PTFE Coated: Industrial Process Filter Bags: Amazon.com: Industrial & Scientific
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Amazon.com : The Filter Pro Felt Filter Media, 100 Micron, 33" x 120" Roll, Perfect for Aquariums, Ponds or Water Gardens, Made in USA : Pet Supplies
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