Shrimple Matten Filter - 20 Gallon Long | Nano Fish Specific

20 Gallon Long Matten Filter for Nano Fish Our custom Matten Filters are made in the USA specifically for Nano fish. Compared to our standard matten filters, these offer fewer pores per inch (PPI) to prevent clogging and reduce maintenance for tanks with a higher Bioload.  Matten Filters are the best filtration for freshwater shrimp keeping and breeding, and now we offer them for your fish keeping and breeding as well.  The amount of surface area the filter creates makes a great feeding surface for baby fish or shrimp. The large surface area and number of pores per inch allow for the maximum benefit from beneficial bacteria to thrive.  Key Features: Creates The Ideal Water Circulation for Any Aquarium Huge Surface Area for Beneficial Bacteria to Thrive Inexpensive Running Cost Low Maintenance and Upkeep Perfect for Larger Breeding Projects 20 PPI Reduces Maintenance Requirements 2 to 4 times the Surface Area of Typical Sponge Filters Item Specification: Foam Type: Black Reticulated Foam Pores per Inch (PPI): 20 Size: 12.25 x 11.5 x 2 Items Included: Matten Filter and Lift Tube Items not Included: Airline Tubing or Air Stone