Xinyou XY-2820/2821/2822/2830/2831 Bio Sponge Filter (Tube)

• Designed and constrcuted with quality materials, multilayer principle and the largest surface area possible with no clogging.
• Sponge material is easy to clean.
• Filters are diesnged and contructed for quiet operation.
• Air diffusion chamber produces minute and large number of air bubbles which increases the oxygen solubility in water.

Take Note:

• Before using, soak the sponge in the aquarium water for five minutes to increase nitrobacterias formation.
• Rise/clean the sponge using aquarium water instead of hot/warm water.