This polyester filter mat can purify water by providing large surface area for bacteria to attach, mean while it still maintains sufficient water flow without clogging.

This polyester filter mat is made from curled polyester fibers  with diameter 0.25mm and water resistant binder. It is rigid, easy to use, clean, and safe to dispose.

It is the best water purifier for pond, aquarium, and aquaponics.

Standard size: 1m×2m×38mm

Specific surface area: 300sqm/m³