GLAFOAM KOI FILTER MEDIA 20 L PROFI (L)

Using a special manufacturing process, it creates a highly porous material that has pores of different sizes for the collection of oxygen and nutrients. Especially for ponds where high filtration performance is required, for example in a koi pond. It provides extreme development of beneficial bacteria where water purification is carried out. It can be used in almost all filters as a replacement for other filter material. Glafoam is available in medium (M) and large (L) pieces.