["brand new and high quality\n\nFeatures:\nMade of high-quality sponge, thickness and durable.\nThese sponge filter provide both mechanical and biological filtration,while trap large bits of waste,but also provide better flow rate of water and less chance of clog.\nPre-cut filter pads, which could fit most aquarium or pond filter.\nIt is better for you to regular clean the sponge filter, which is easy and convenient. \nOur filter sponge can be applied for freshwater and marine aquariums,which can trap uneaten food,waste,detritus and other small floating particles from the water in order to keep water cycled and clear.\n\nSpecification:\nMaterial: Sponge\nModel: S;L(optional)\nColor: As pictures shown\nSize: Diameter: S: app.5.5 for cm/2.17 in;L: app.6.5 for cm/2.56 in\nQuantity: 1 Pc \n\nNote: \nNo retail package.\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 x Filter Sponge"]