・Replacement cartridge for CB series ・Water purification grade: Standard+ ・Cartridge replacement: Every 3 months [Compatible models] ・CB073i ・CB073 ・CB013 ・CB093 ・CB023 Thank you for viewing. This was included with the main unit set, but I didn't use it, so please take it if you want it! *Price is for one cartridge. ・Dust may accumulate or the box and product may be scratched due to the time elapsed since the photos were taken. Please understand. ・Please feel free to comment with any questions or inquiries about the product. ・For time-specific delivery, please specify on the transaction screen. Time-specific delivery is not available for products shipped via Nekopos.