This original Japanese biological brush filter is designed to maximize the effect of biological filtration. After its installed for your pond, its large surface area will host beneficial bacteria and promote an efficient nitrogen cycle.
Each bristle is evenly woven to maximize the surface area. At the same time, it is designed for the smooth flow of water and will not clog. This clog-free design helps keep water healthy and lowers the risk of koi disease. This original Japanese brush filter is designed to be the best housing for beneficial bacteria.
In addition, cleaning is the easiest. All you need is to rinse the brush and you're done.
Not only is it affordable, but it also lasts for years.