This is an entry-level model of alkaline ionized water apparatus that is perfect for home use. Cartridge replacement estimated takes approximately 1 year to reduce hassle The simplest design and compact model of Panasonic. Compact Alkaline Ion Water Regulator Entry Model Certified product for home medical devices & 3 electrodes. Panasonic TK-AS31-W Alkaline Ion Water Purifier, Compact, Removes 19 Substances ... Fluorine Compounds, Compatible with PFOS/PFOA Removal, Made in Japan, White Máy lu1ecdc nu01b0u1edbc Ion Kiu1ec1m Panasonic TK AS31 - Nu1ed9i u0111u1ecba Nhu1eadt Panasonic TK-CJ14-W Faucet Directly Connected Water Purifier, Compatible With PFOS/PFOA Removal, White + Cartridge, 2-Piece Extra Set The cartridge replacement is recommended after approximately one year, which saves time and effort. TK-CS45-ZMA Water Purifier Products - Malaysia The simplest design and compact model of Panasonic Certified product for home medical devices & 3 electrodes Cartridge replacement estimates takes about 1 year to reduce hassle Makes alkaline ionized water that is good for your stomach intestine.