PNEUMATIC DOUBLE BIO SPONGE FILTER

This filter selects good quality biochemical cotton. It gives a large specific surface area for the bacteria to attach to and suck the muck in the water for better effect. Equipped with low-energy ultra-quiet submersible pump, the noise is very low. Increase the filter box design, can place more filters, to provide greater attachment area of nitrifying bacteria, biochemical filtration better.