MY MIRONEY Replacement Aquarium 7 Layer Review

Package Includes: 8 x Replacement Sponge Filter. Sponge Size: 48 X 76mm/1.89" x 2.99"(D*L);Inner Diameter of Sponge:15mm/0.59". Provide excellent both biological filtration, works great without noise, keeps water cycled and clear. 7-Layer tank sponge filter, increases the surface area to get a better water and oxygen exchange rate. This sponge filter is great for betta tank, angelfish, fry, goldfish, baby fish, shrimp, small fish, breeding tank.