["brand new and high quality\nFeatures:\nFilter tube are great for aquarium fish for tank, to promote gas exchange and increase dissolved oxygen levels.\nGreat for tropical fish farms,wastewater systems, cooling towers,and other commercial industrial systems. \nFor use with wet/ dry filters (here it is not included), to improve biological filtration.\nAn attractive way to make your aquarium shrimp safe.\nEasy to install and use, simple and easy to clean.\nFilter only, other accessories demo in the picture is not included!\n\nSpecification:\nType: Filter \nModel: 12: 12mm,16: 16mm(optional)\nMaterial: Stainless steel\nColor: Silver\nSize: 12: Height: app.7.9 for cm/3.11 in;Diameter: app.2.4 for cm/0.94 in;Upper diameter: app.12 mm/0.47 in;\n 16: Height: app.7.9 for cm/3.11 in;Diameter: app.2.4 for cm/0.94 in;Upper diameter: app.16 mm/0.63 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"]