sunn 10 Pieces Stainless Steel Brush Aquarium Filter Aquarium aning Tools Brushes Pond Mixer Filter Brushes Filter

Air, water and biofilm can be completely mixed and infiltrated to interchange, reduce noise and disperse the impulse of water flow. Standard core pure stainless steel 304 advanced PET materials not rust. Can absorb suspended substances suspended in water and promote the growth of nitrifying , harmful and thus achieve a biological and physical filtration effect Biofilm can not only evenly implant each silk strip, maintain good activity and variability between rooms, but also gain an increasingly specific and have a good metabolism.