Feature:
●The material has great thickness， it is durable.
●Very suitable for using in freshwater and marine water.
●Can be cut any sizes as your needed.
●Lightweight and softness design.
●Excellent water permeability.
●Cultivate the nitrifying bacteria for biological filtration.
●Dense shape makes it effective to avoid residue.
●Can be used again after cleaning.
●The biochemical filter has the best effect on decomposing the excrement and the forage leftover.
●Its multi-porous feature will avoid blockages and provide the largest adhesion area for bacteria.

Product Attributes:
Material: Sponge
Color: Balck
Quantity: 1 Pcs
Size(approx.) :50x50x2.5cm/19.69x19.69x0.98inch (LxWxH)

Note:
1.Due to the light and screen difference， the item\'s color may be slightly different from the pictures.
 Please understand. Make sure you don\'t mind before you bid.
2.Please allow 1-5mm differences due to manual measurement.

Package Include:
1Pcs Aquarium Filter Sponge