Black Knight pond filter brushes consist of two wires twisted together at the centre with filaments or bristles radiating from the core. Brushes are available in different diameters and lengths.
Black Knight filter brushes are used in filtration systems in fish farms, hatcheries, public aquaria, domestic fish ponds and research institutes. No other filter medium is as widely used or has been as extensively tested and proved.
Made In the UK and widely regarded as the best koi filter brush in the marketplace.Come with a hanging loop for easy installation
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