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gallons (45
Improves water clarity and quality in aquariums
000µm in size
This shock-resistant design guarantees durability and safety in various aquatic settings
Black Knight 8" Dia x 10" Long Filter Brushes - 6 Pack exo-terra gallons (45What 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