1.Top Diameter: 3cm(1.18&quot;)<br />2. Bottom Diameter:2.7cm(1.06&quot;)<br />3. Cartridge Height: 7.0cm(2.76&quot;)<br />4. Water Inlet Diameter: 1.5cm-2.5cm(0.59&quot;-0.98&quot;)<br />5. Water Outlet Diameter: 1.5cm(0.59&quot;) <br />6. Material: polypropylene.<br /><br />Note:  <br />1. Based on the quality of water， there is no specific time to replace the filter， but when filter turn brown or dark ， that mean you need to replace the filter.<br />2. This is simply filtered water impurities， it is not kill bacteria in the water.<br /><br />Package Included:<br />1 x Water Filter