Biological filter for fish.
Provides mechanical and biological filtration.
Aerobic bacteria colonize the sponge, providing a bacterial substrate to facilitate the nitrogen cycle.
Traps larger waste particles, mechanically cleaning the water.
There are three filters, cotton filter, quartz sand, activated carbon.
Suitable for 10 to 60cm fish tank.
Net weight 140gr and 0.30lb
Length 7.5cm and 2.9″
Width 7.5cm and 2.9″
Height 8.0cm and 3.1″
The real product colors may be slightly different from what you see in the images.
The product dimensions may be slightly different from what is written in the product specifications.