Cleansui BSC05003 is a replacement cartridge for Mitsubishi Chemical pot-type water purifiers. Its double filtration system, combining a high-performance hollow fiber membrane and activated carbon, effectively removes residual chlorine, musty odors, and even fine impurities, creating safe and delicious water. [Features] • Value pack of 3 cartridges • 2-layer filtration structure: hollow fiber membrane + activated carbon • Powerful removal of residual chlorine, turbidity, musty odors, etc. • Easy replacement, no tools required • Individually packaged, brand new and unused [Replacement Interval] • Approximately 1-2 months per cartridge (varies depending on usage) [Compatible Models (Examples)] • CP Series (CP025, CP405, etc.) • BTC Series *Please be sure to check your main unit model number. [Condition] • Brand new, unused • Sourced through official channels • Immediate purchase OK, will ship promptly