Replacement Filter sets for Aquverse 5-Stage Complete Reverse Osmosis System Removes impurities and improves pH balance for better tasting, cleaner water, with NSF certification US-based support. 

6 Month Replacement Set includes the two filters that should be changed every 6 months, the Sediment (SED) filter, and the Carbon Block (CB) filter.

12 Month Replacement Set includes the three filters that should be changed every 12 months, the Sediment (SED) filter, the Carbon Block (CB) filter, and the Mineral Activated Carbon (CM) filter.

24 Month Replacement Set includes all four replacement filters which are the recommended filters to be changed every 24 months.