♦️ Compatible Products - Compatible with TOTO Replacement cartridge for TOTO spout-in type (water purifier integrated with faucet). Compatible with many model numbers such as TH-658-1S / TH658-3. This is not a genuine product. ♦️ JIS Standard Tested Tested based on JIS standards by a specialized institution in Japan, and safety and performance have been confirmed. You can use it with peace of mind. ♦️ High Water Purification Performance Removes 7 substances (free residual chlorine, CAT, mold odor (2-MIB), soluble lead, phenols, geosmin, anionic surfactants). Hollow fiber membrane, ion exchange fiber, activated carbon, and non-woven fabric are used as filter materials. ♦️ Long-lasting Set of 3 Replacement目安 is approximately 4 months / 1 piece when using 10L per day. You can use it for approximately 1 year with a set of 3. *The replacement period varies depending on the usage environment (water volume, water quality, water pressure, etc.). 【Important Notes for Use】: After replacement, be sure to run purified water for 1 minute or more before use. Please check the product description for details on the applicable cartridge model numbers and faucet body model numbers. The TH658-1S water purifier cartridge, which comes in a set of 3, uses a PES filter with a removal capacity of 1200L.