APEC FILTER-SET-PH US MADE 90 GPD Replacement Filter Set for ULTIMATE Series Alkaline Reverse Osmosis Water Filter System Stage 1-3&6

APEC ultimate series high capacity pre-filter set is USA made and built to last 2X longer than other brands Includes (1) sediment, (2) carbon block filters and (1) FI-PHPLUS-QC Alkaline Calcite Filter, use with APEC RO-PH90 or systems with pH enhancer kit upgrade 1st stage 5 micron polypropylene sediment filter to remove dust, particles, and rust. 2nd & 3Rd stage 5 micron extruded Carbon block filters to remove chlorine, taste & odor 6th stage 10 inch high purity ph+ calcium carbonate re-mineralization inline filters with quick connect High performance replacement filters are compatible with all standard sized under counter ro systems