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This range of filters is suitable for aquaria up to 350lts
000 square metres per gram
Treatment Capacity: Up to 5
Eheim CompactON 2100: 1
yet it's crucial to avoid using MediFin alongside non-compatible treatments outside the Tetra Pond range
Black Knight 4" Dia x 12" Long Filter Brushes - 25 Pack Popular This range of filters isWhat are Black Knight Filter Brushes: Black Knight filter brushes are made from the very highest quality Hydrotek polypropylene twisted into two stainless steel wires to form a cylindrical brush with a loop at one end for hanging. The other end is capped with a plastic knob for safety. They last indefinitely and are the easiest to use, most efficient and most cost effective pond filter medium you can buy. Our brushes are used in filtration systems in