Felt Filter Sock with Plastic Ring

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Filter socks are the most convenient form of mechanical filtration for ones aquarium. Filter socks remove excess food, detritus, organic waste, dust and other particulates from your water. Removing these particulates will reduce the amount of organic matter that produces ammonia and other undesirable substances in your aquarium. Our filter socks are made in the USA and are made to last a long time with proper care.