Black Knight 6" Dia x 12" Long Filter Brushes - 25 Pack arcadia a fine filter pad for

a fine filter pad for fine filtration/polishing

Compatible with single controllers ranging from 6W to 58W

and non-phosphate buffered freshwater aquariums

moist texture encourages feeding and improves digestion

Oase BiOrb Ceramic Filter Media offers an effective solution for enhancing biological filtration in aquariums

Black Knight 6" Dia x 12" Long Filter Brushes - 25 Pack arcadia a fine filter pad forWhat 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