Description
【Multi-filtration Functions】This mini sponge aquarium filter combines 3-layer ribbing shape sponge design, bio-filtration, oxygenation and physical filtration functions and also makes small water flow, which can quickly established a bio-filter, improve purifying water quality, keep your fish tank crystal clear and clean. 【Mini Foam Filter】This single mini sponge filter is ultra mini size, 3.5 inch in width and 3 inch in height, the sponge inside circle diameter is 0.59 inch, it takes up a littl
