Compatibility: Compatible with for Elkay 51300C, and Compatible with EWF3000<br> Long-Life Filter: With a capacity of 3000 gallons per filter, we recommend replacing it every 3000 gallons or 1 year, whichever comes first<br> Easy Installation and Maintenance: Provides precise, leak-proof fit, and it's very easy to install<br> Anti clogging filter: Polypropylene pre filtration can prevent large sediment or particles from entering and clogging the filter medium<br> Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!<br> Color: White<br> Material: plastic<br> Package Contents:<br> 3 x Water Filters<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.