Biochemical filter can be used directly in water or use with filter.
This filter sponge improves the filtering and cleaning of water, reducing the death rate of fish.
You can cut the filter sponge easily for filter replacement.
Provide biochemical and chemical filtration
Increase the oxygen solubility in aquarium or fish tank
Promote nitrogen cycle, can be cut as you need
Size (L x W x T): Approx.100x12x2cm
Please note that slight colour difference should be acceptable due to the light and screen.
All measurements are approximate and may vary slightly from the listed dimensions.