5 Stage 4pc Reverse Osmosis RO Water Filter Cartridges, Pre & Post Replacement Set SED UDF CTO GAC - 2.5" x 10"

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4 pcs RO Reverse Osmosis pre filters. All filters are Premium NSF Certified. This set is used as a mid year replacement set (depending on water usage and quality) where a replacement membrane is not needed. Replacement membrane is usually replaced once a year while your pre and post filters can be changed 2-4 times per year (depending on water usage and quality). This universal set s compatible with all major RO Systems with standard size housing. Stage 1 is a 5 micron Polypropylene (Poly Spun) Sediment Filter, Stage 2 is a UDF Coconut Shell Carbon filter, Stage 3 is a 5 micron Coconut Carbon Block filter, Stage 5 is a GAC Polishing Inline filter with 1/4" NPT Ports. This set is compatible with APEC, iSpring, Express Water, US Water RO Systems, US Water Galaxy, US Water Aquapurion, Watts 5 stage systems, Pure value, Nelson, Isopure, Tier1, Hydronix, Max Water Systems, AQUARIUM, Titan Water Pro, Home Pure, Premier Water System, Blue Wave, and all standard 5 stage RO Systems. Also Compatible With:, 5EZ50, GTS-550S, NRO05-50, 200-GX-5050, ISO-RO5, GTS-550, Tier1 RO5-WF, RO550-W, W-525, and Many More.

  • 4 pc - Pre and Post Replacement Filters
  • All NSF Certified Water Filters
  • Universal fit for any standard RO systems
  • 1pc 5 micron 2.5" x 10" Sediment Pre Filter; 1pc 5 micron 2.5" x 10" UDF Pre Filter; 1pc 5 micron 2.5" x 10" Carbon Block Pre Filter; 1pc Post Inline Filter (Polish Finishing Filter) GAC 1/4" NPT ports
  • 100% Compatible with APEC, iSpring, Express Water and many more brands.