☆ Condition ☆ Brand new, unused ◎ Major EC site selling price: 3,999 yen Purchase date: January 2026 ※ Immediate purchase OK (no comment needed) ※ Price negotiation / holding not possible Brand: Jyousenn Model: JF-20 (compatible product) Set contents: Pack of 3 Material: Activated carbon Compatible models: JF-20 / JF-21 / JF-22, JF-K20 / JF-K21 / JF-K22 Replacement目安 (Guide): Approximately 4 months per cartridge (when using 10L/day) Total filtration volume: Approximately 1,200L [Compatible cartridge for built-in water faucets] This is a compatible product designed as a replacement cartridge for built-in water faucets. It is compatible with both conventional and long-life types, allowing you to easily purify water for daily drinking and cooking. Please check the model number of your compatible faucet before use. [Removes impurities with multi-layer filter media] The structure combines non-woven fabric and activated carbon to absorb a wide range of substances, from turbidity components such as rust to residual chlorine and trihalomethanes. The design also considers unpleasant odors, aiming for clear water quality. [Considers substances including PFOS and PFOA] Designed to remove components of concern in daily use. As a consumable product, it is intended for regular replacement to maintain purification performance, making it suitable for planned replacement. [Economical type for easy replacement] The replacement guide is about 4 months per cartridge, making it easy to manage, and you can prepare them in a set of 3. The replacement timing may vary depending on water usage and water quality, so early replacement is recommended if you notice a decrease in flow rate or a change in taste. [Precautions for storage and use] When not in use, store away from high temperatures, humidity, and strong odors. It is best to use it as soon as possible after opening. It is not suitable for use in changing the properties of water containing salt or hard water itself. No claims or returns are accepted to prevent product substitution. We will ship as quickly as possible. Immediate purchase is OK, but please purchase only if you can promptly provide a "receipt evaluation" after arrival.