Proq-550 Reverse Osmosis Filters 1Year Set, 5 Stage Reverse Osmosis Water Fil... Vinyl Tubing 5" diameter) Media Composition Granular

5" diameter) Media Composition Granular activated carbon mixed with food-grade polyphosphate crystals Primary Reduction Chlorine

Worn or corroded cable connections cause unreliable performance

Combines cation and anion resins to remove both positively and negatively charged ions

V-Port Seat Design

KDF-85 Redox Reduction

Proq-550 Reverse Osmosis Filters 1Year Set, 5 Stage Reverse Osmosis Water Fil... Vinyl Tubing 5" diameter) Media Composition GranularAnnual Replacement Kit PROQ 550 1 Year Filter Set Complete 5 stage replacement cartridge package for PROQ 550 reverse osmosis systems 5 Filter Stages 12 Month Supply OEM Compatible Quick Change This annual filter set includes all cartridges needed to maintain your PROQ 550 undersink reverse osmosis system for one full year. Replace sediment and carbon pre filters at 6 12 months and the RO membrane at 24 36 months depending on water quality and usage.