Black Knight 6" Dia x 12" Long Filter Brushes - 25 Pack arcadia By simulating natural spawning conditions

By simulating natural spawning conditions

Key Features: Specially selected zeolites for pollutant absorption

and non-phosphate buffered freshwater aquariums

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 By simulating natural spawning conditionsWhat 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