Filter foam biofoam thick 50 x 50 x 5 cm

Filter foam is the best medium for biological water filtration in a garden pond, it stands out for its lightness and large surface area. It can be easily cut with a knife. It is easy to clean and does not wear out, does not crumble. Compared to, for example, Matale, it can be compressed when cleaning and has a larger surface area. Grain size: PI30