Aquarium Products Sponge Filter Bio Filter Weedish Fish Betta Fish Thailand Tank XY 2836

This series of products:good durability,good filtering effect,use environmental protection sponge which is suitable for the growthof nitrobacteria,Dispose large joint which connects with diving machine,If use together with air pump and diving machine,it can get double effects of physical and biochemical filtration.Suggest exchange sponge every six months.