2pcs Aquarium Filter Fish Tank Under Gravel Bottom Filtration Plate Board Filter System New for Filter Equipment Materials Sediment

Features:

Food Grade Material Aquarium Fish Tank Bottom Filter Plate, no harm to your aquarium and fish, flexible and can be cut.
You can put sediment, gravel, filtration equipment or material on the plate.
Small holes of 2mm. the sediment or other materials won't fall.
Fish excrement can also fall on the plate. 
Circulate the water under gravel layer in order to reduce the corruption of gravel.

Speicificaitons:

Product name: Aquarium Bottom Filter Plate

Color: Black

Size: 14cmx7cmx1.3cm

Including:
2pcs Aquarium Bottom Filter Plates