Pond Filter Wool green

Filter nylon wool with medium coarse structure, for optimum water permeability and a long lifetime
The green wool are made of first quality elastic nylon fibres. Its water permeability is very large. Filtration of pond water can be achieved both by mechanical and biological means. The activity of mechanical filtration is based on removal of organic and inorganic dirt particles. The principle of biological filtration is to achieve better and quicker  conversion of organic components by means of micro-organisms. VT filter wool guarantee excellent water filtration.

Tip: the wool can be rinsed often. The activity of filter wool will decrease after one season. The best thing you can do is to replace them in spring.