Thank you for viewing! This is a brand new, unused item. Set of 2. Filter Compatibility: Replacement water filter STC.V2J/STCV2J-Z/type Replacement cartridge STC.T2J/STC.T2J-Z type Replacement cartridge [This is a compatible product, not a genuine product. It does not have the "viewing window" found in genuine cartridges.] Replacement filter for faucet-mounted water purifier: Compatible with faucet-mounted water purifiers SX705T and SX904V. [This is a compatible product, not a genuine product.] We recommend this product only to customers who understand that it does not have a "viewing window." Filter Material: Activated carbon, ion exchange resin, ultrafiltration membrane (The hollow fiber ultrafiltration membrane used in genuine products is also a type of ultrafiltration membrane.) Purification Capacity: Removes 12 substances. Free residual chlorine, turbidity, trihalomethanes, soluble lead, 2-MIB (mold odor), CAT (pesticide), tetrachloroethylene, trichloroethylene, trihalomethanes, dibromochloromethane, dibromochloromethane, chloroform. Replacement Cycle: 600L, 2 months if using 10L per day. (The actual replacement time varies depending on water usage, water quality, water pressure, etc.) Please replace the filter regularly to maintain good water purification performance. After replacing the water filter, run the purified water for at least 1 minute before use. You can record the usage period of the cartridge with the included monthly sticker, making it easy to replace the cartridge regularly. Reference price: 3250 yen (from Amazon) Instant purchase is OK! We offer a 200 yen discount for followers, so feel free to comment. #708055(455)