Coway Filter set including RO membrane for circle P-160L reverse osmosis system Consists of: Sediment filter 20µ pre-filter (CSFM11-20) Neo Sense 11 (CNFM11) Filter Plus Inno Sense 11 (D) (Cifm11-D-Plus) RO membrane (CRMFM11-50-2) Recommended filter change every 12 months, RO membrane every 36 months Made in Korea, Original Coway.
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