Product Description
• The bio-sponge filters are designed and constructed with high quality materials that will outlast others on the market.
• The sponge is designed with the multilayer principle and the largest surface area possible with no clogging.
• The air diffusion chamber produces a large amount of minute air bubbles which increase the oxygen levels in the water.
• Quiet operation and easy to clean.
Airpump is needed to operate these filters