Black knight filter brushes are recognised has the best on the market. Black dense bristled brush suitable for both mechanical and biological filtering. Unique feature of the brushes is the removable loop handle which is usefull if space is limited also handy for keeping brushes together or for suspending them from a cane or rod .
An essential part of most filter systems, sizes to suit all filters. All dimensions are in inches.
Please note the dimensions are just the actual black bristles,the removable handle and the stainless steel wire on both the top and bottom add extra to the length