Black Knight Filter Brushes - The World's No.1 Filter Brush. Black Knight Brushes 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 installtion, i.e hanging much easier.
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Bio-Plas Fluidize: 12,000 m² (Ideal for moving bed filters). Unrivalled Performance: From our high-surface-area Bio-Plas Fluidize to our versatile Filter Grids, every product is engineered for maximum efficiency.
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Grid Topper Kit. Versatile: Available in sinking and neutral buoyancy options for moving and static bed filters. AQUA SURE Bio-Plas Filtration & Filter Grids: The Ultimate Solution for Clear Water. Made from 100% recycled plastic, it provides a class-leading total surface area for beneficial bacteria to colonize, ensuring the removal of harmful ammonia and nitrite.
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