【Product Features & Specifications】 《Compatible with Major LIXIL/INAX Models》 This is a compatible cartridge for the "JF-20," widely used in built-in water purifiers from LIXIL and INAX. It is compatible with the conventional types JF-20 / JF-21 / JF-22, as well as the long-life types JF-K20 / JF-K21 / JF-K22. 《Also Removes PFAS (PFOS/PFOA)》 By combining an activated carbon filter and non-woven fabric, it effectively removes free residual chlorine, mold odor, dissolved lead, and the recently-spotlighted harmful substances **PFAS (PFOS/PFOA)**. Enjoy safe and delicious water with peace of mind. 《3-Piece Set for a Full Year》 Each cartridge lasts approximately 4 months (when using 10L per day). With this 3-piece set, you won't need to replace them for about a year (total filtration capacity: 1,200L/cartridge). 《Thoroughly Tested High Quality》 Although a compatible product, it has been thoroughly tested for installation in compatible water purifiers, confirming its suitability and water purification capacity. By directly purchasing in bulk from the manufacturer, we have achieved a high-quality product at an affordable price. 【Package Contents】 Compatible Water Purifier Cartridges × 3 【Precautions】 Use promptly after opening the packaging. To prevent the activated carbon from absorbing odors, store in a place away from insecticides, air fresheners, etc., and avoid high temperatures and humidity when unopened. This text has been summarized by AI. Please be sure to check the product information before purchasing. Due to efforts to lower product prices, we may ship by post in a waterproof vinyl bag or disassemble the original box for delivery.