Hikari Bacto-Surge Sponge Filter Kit - Small

Hikari Bacto-Surge Sponge Filter Kit provides unmatched biological and mechanical filtration and is well suited for delicate fry tanks, nano tanks and other freshwater aquariums. The high quality porous sponge offers a sizable surface area with thousands of microscopic pores that contribute to the growth and colonization of beneficial aerobic bacteria. Versatile and powerful, this sponge filter is composed of long-lasting polyether foam with an uplift tube and air diffuser combo that provides maximum flow and won't easily clog with debris. Easy to clean and durable. Comes in a small size that is ideal for aquariums up to 40 gallons.