Feature: ●Sponge filters provide both mechanical and biological filtration. ●Simply install an air line into the unit and provide both aeration and filtration for your fish. ●Aerobic bacteria colonize the sponge providing a bacterial substance to facilitate the nitrogen cycle. ●In addition， the sponge traps larger waste particles mechanically cleaning the water without trapping young fish. ●They are useful for as breeding filter or as secondary filter. Or they can be used as pre-filtration unit by fitting to an external or a top filter. ●The bio-sponge filters are designed and constructed with quality materials that will outlast any other sponge filters on the market. ●The sponge is designed and constructed with the multilayer principle and the largest surface area possible with no clogging. ●The sponge material is easy to clean. ●Quiet operation ●The air diffusion chamber produces minute and large number of air bubbies which increase the oxygen solubility in the water. ●They are useful for as breeding filter or as secondary filter. Or they can be used as pre-filtration unit by fitting to an external or a top filter.
Product Attributes: Material: Sponge Color: Black Quantity: 1 Pcs Product dimension: 16.5x6x24.5cm/6.50x2.36x9.65inch(L x W x H ) Sponge dimension: 6x11.8cm/2.36x4.65inch(D x H)
Note: 1.Due to the light and screen difference， the item\'s color may be slightly different from the pictures. Please understand. Make sure you don\'t mind before you bid. 2.Please allow 1-5mm differences due to manual measurement.
