Rigorous Performance, Verified Facts: Every 51300C filter is a proof of the firm commitment to transparency. Through meticulous testing, it comes with verified data, ensuring reliable water filtration. Developed for families that use substandard drinking water. Compatible models: The 51300C filter can be replacement for Elkay 51300C, Elkay ezH20 filter, and filters for Halsey Taylor Bottle Filling Stations with WaterSentry filtration system (Bottle Fillers & Liv Pro).. The 51300C filter is not sourced by or sponsored by Elkay. ITEHZTO is an independent brand. Efficient filtration: The 51300C filter uses natural coconut shell activated carbon and BPA-free housing, with the same strong purification capacity as the original filter this filter, which efficiently reduces up to 99% of chlorine, heavy metal, sediment, sand, rust, odor and large particles in source water, improving the taste of water. Longer service life: When connected to municipal water, you can get up to 12 months of service life or 3,000 gallons of filtered water. (Depending on water quality where you live and frequency of use), TIP: It is recommended to replace the carbon filters every 3,000 gallons for optimal performance. Easy to use: Installation is quick and tool-free — just twist the 51300C filter into place for an effortless replacement. Compatible models: The 51300C filter can be replacement for Elkay 51300C, Elkay ezH20 filter, and filters for Halsey Taylor Bottle Filling Stations with WaterSentry filtration system (Bottle Fillers & Liv Pro).. The 51300C filter is not sourced by or sponsored by Elkay. ITEHZTO is an independent brand.