http://www.waterfilters.net/WaterFiltersNET-ECC-10BB-WF-Empty-Big-Blue-Filter-Cartridges.html<br />The ECC-10BB-WF empty refillable water filter cartridge measures 4.5" OD X 9.75" L.<br />It is a clear empty cartridge that allows you to see when you need to replenish the media in the cartridge. This is a refillable empty cartridge that you can fill and refill with the media of your choice.
