40PCS Stainless Steel Core Brush Aquarium Fish Tank Brush Pond
Made of advanced PET materials, standard pure 304 stainless steel core will not rust.
Can absorb suspended substances in water on a area, and promote the growth of nitrifying , harmful , thus achieving biological and physical filtration effect
The air, water and biofilm can be fully mixed and infiltrated to exchange, reduce noise, and disperse the momentum of water flow.
Biofilm can not only implant evenly on each silk strip, maintain good activity and interspace variability, but also gain more and more specific area in the process of operation, and have a good metabolism.

Product name:Fish tank aquarium filter brush
Type: fish
size: 40x12cm
Material:PET+stainless steel
colour:black

Package Contents:
40 x filter brushes