About this product

1、Can be used as grass cultivation platform or filling filter for water purification.

2、Create a unique environment for your aquarium.

3、It has large surface and can attach big buzz of nitrifying bacteria.

4、Easy for installation and removal, great for DIY.

5、Organic ball that is made of clear plastic is hollow ball.

material: plastic

Size: about 5x3cm/1.96x1.18 in

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