ITEM NAME:Mini sponge water filter, Silent 3 in 1 filter system with air pump filter img *{margin:0;padding:0;.ã€3-layers Filter】Funnel air outlet, gas stone filtration and biochemical filter sponge. ã€Mini Sponge Filter】 Strong suction force, can be installed anywhere on the tank glass. Do not use an oversized air pump to avoid uneven mixing of water and air.
