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Ammonia Alert® is suitable for freshwater and marine aquariums
An activated carbon sponge as accessorie is available
leading to clearer and healthier water
Wildlife Safe: Certified to cause no harm to aquatic organisms
With an adjustable food outlet
Black Knight 6" Dia x 12" Long Filter Brushes - 6 Pack aquacolour-white Ammonia Alert® is suitable 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
US$ 34.95
US$ 85.00
US$ 49.00
US$ 49.00