Filter Sock Ring
thingiverse
This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/acAAOlSAavV If you don't mind sewing the filter sock media on the filter ring, It saves me a ton of money. Just simply print out this ring and grab a needle and thread, holes already around ring just pass needle through until you have made it all the way round.
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