𝗕𝗹𝗮𝗰𝗸 𝗞𝗻𝗶𝗴𝗵𝘁 𝗙𝗶𝗹𝘁𝗲𝗿 𝗕𝗿𝘂𝘀𝗵𝗲𝘀 are the best-selling filter brush in the world. Black Knight brushes are made from high-quality hydro tech polypropylene that has been twisted onto two stainless steel wires. A loop is then added at the top of the brush to allow for easy hanging and a rubber cover is added to the bottom of the brush for safety. Black Knight filter brushes are primarily used as mechanical filtration in pond filter systems to remove larger solids and also to provide a level of biological filtration. They are lightweight, easy to clean, and do not need replacing. Produced from high quality Hydrotek polypropylene which is then twisted onto stainless steel wires. A plastic loop is fitted to the top of the brush to make installation, i.e hanging much easier.
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