F.SET.RO3 & F.SET.RO3-UV – Under Sink Replacement Filters

The F.SET.RO3 and F.SET.RO3-UV are the official replacement filter kits for the EWS RO3 Essential Three-Stage Reverse Osmosis System and the RO3-UV System with Ultraviolet Disinfection. These sets include all the cartridges needed to keep your RO system performing at peak efficiency, ensuring clean, safe, and great-tasting water for your household.

What’s Included

• F.SET.RO3 — replacement set for the RO3, includes:
  • F-GAC (Pre-Filter Advanced Carbon)
  • F-MEM (Reverse Osmosis Membrane, 50 GPD)
  • F-GAC-B (Post-Filter Carbon Block, 1 Micron)
• F.SET.RO3-UV — replacement set for the RO3-UV, includes everything in F.SET.RO3 plus:
  • F-UV Module (Ultraviolet Disinfection Lamp, kills bacteria & viruses by 99.99%)

Key Features & Benefits

• Advanced Contaminant Reduction — reduces chlorine, chloramine, lead, nitrates, heavy metals, cysts, VOCs, THMs, PFAS, and more.
• 50 GPD RO Membrane — provides reliable daily water production for families and households.
• Post-Carbon Block — improves taste, odor, and ensures polished water quality.
• UV Upgrade (RO3-UV only) — protects against bacteria, viruses, and other microorganisms.
• Easy Maintenance — quick change design; filters and membrane should be replaced annually.

Specifications

Model #	F.SET.RO3 / F.SET.RO3-UV
Filter Types	Pre-Carbon, RO Membrane, Post-Carbon Block (plus UV Lamp for RO3-UV)
Membrane Flow	50 GPD / 189 LPD
Service Life	Replace annually (do not exceed 1 year)
Operating Pressure	40–75 psi
Operating Temperature	40°F – 100°F (4°C – 38°C)
System Compatibility	Designed exclusively for EWS RO3 and RO3-UV systems

*Filter and membrane life may vary depending on water quality and usage.

Applications

• Annual replacement filter set for EWS RO3 or RO3-UV systems
• Ensures continued reduction of harmful contaminants
• UV variant provides added protection for well water or areas with microbiological concerns