Filter Brushes

Shirley Aquatics have a range of filter brushes from brands such as Black Knight. You will be sure to find exactly what you need to keep your garden pond in top condition!

Black Knight brushes are used in filtration systems in fish farms, hatcheries, public aquaria, domestic fish ponds and research institutes in this country and abroad.

No other filter medium is as widely used or has been as extensively tested and proved.

They last indefinitely and are the easiest to use, most efficient and most cost-effective pond filter medium you can buy.