["brand new and high quality\r\nFeatures:\r\nMade of Stainless Steel and Ceramic\r\nADA Style Diffuser, provide elegant look for your tank\r\nExcellent CO2 dissolve rate.\r\nCan replaceable ceramic disc.\r\nEasy for installation.\r\nSpecifications:\r\nMaterial:Stainless Steel and Ceramic\r\nSize(MM): Total Length Diameter of atomizing disc \r\nS 200 24 \r\n 250 24 \r\nL 250 35 \r\n 300 35 \r\n 350 35 \r\n 400 35 \r\nColor:as the picture show\r\nQuantity: 1 pc\r\n\r\nNote: 1.Transition: 1cm=10mm=0.39inch\r\n 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\nPackage includes:\r\n1pc * Aquarium Ultra-thin stainless steel CO2 diffuser(other accessories demo in the picture is not included)"]