UP Aqua Ceramic Under Water Filter - Biological and Mechanical - 11cm high X 8cm Diameter
Bio Sponge filter with compartment for ceramic bio media.
Air driven simply connect to a air pump and you have a cheap way of filtration of both Biological Filtration with the porous bio media and also mechanical filtration with the Sponge.
It is a neat compact filtration unit being 11cm high and a 8cm diameter. Perfect for Nano Tanks, Shrimp Tanks and breeding tanks.
A great way of effectively housing good beneficial bacteria and letting the biological filtration treat your water.