Replacement Filter Cartridges

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Replacement cartridges for your SeltzaRO Water Filter. First stage: PCB (Polypropylene Carbon Block). Lasts 6-12 months Second stage: RO (Reverse Osmosis) membrane. Lasts 24-36 mon ths Third stage Option 1: CB (Carbon Block). Lasts 6-12 months Third stage Option 2: CB+MNR (Carbon Block + Remineralization) dual cartridge. Includes alkaline correction and mineral release: K, Ca, Na, Mg. Lasts 6-12 months Replacement filter cartridges are sold individually or choose the bundle option for up to a 3 year supply. INSTRUCTIONS Show more