Compatible water purifier cartridge for INAX LIXIL, JF-K21 model, removes 12 substances and has high chlorine removal performance. The "K" in the model number indicates a long-life version. - Model: JF-K21 (also compatible with JF-K20, JF-K22, etc.) - Set Contents: 1 piece - Compatible Models: JF-1450SX, JF-1450SXN, JF-1451SXN, JF-2450SX, JF-2450SXN, JF-2451SXN, JF-2430S, JF-2432S, JF-6460SX, JF-6451SX, JF-2450S - Water Purification Performance: Removes 12 substances, high chlorine removal ※This product is a "compatible product." Please note that it is not a genuine product of the manufacturer, and its use may not be covered by warranties, etc. ※The product packaging and labels may not be exactly the same as the displayed photos due to differences in manufacturing timing. Please understand. ◆Other ・No need to comment with "inquiry" before purchasing. You can buy it directly. ・Even if there have been prior comments or price negotiations, we will sell to the person who actually makes the purchase, unless it is marked as "reserved." ・We will not make it "reserved" unless there are special circumstances. We aim to keep costs down by minimizing effort. ・For the same reason, we will choose the most cost-effective shipping method. In some cases, we may open the package for shipping. Please understand. Thank you for viewing.