EWS RO3 & RO3-UV – Essential Three-Stage Under Sink Reverse Osmosis Systems

The EWS RO3 is a high-performance, three-stage reverse osmosis (RO) system that provides pure, great-tasting water directly at your tap. Designed with advanced filtration and a durable RO membrane, it reduces chlorine, VOCs, lead, PFAS, nitrates, heavy metals, and more. For added protection, the EWS RO3-UV includes an ultraviolet (UV) disinfection module that kills bacteria, viruses, and other microorganisms, ensuring the safest possible drinking water for your home.

Why Choose the RO3 & RO3-UV?

• Three-Stage Filtration — Pre-filter advanced carbon, RO membrane, and post-filter carbon block for full contaminant reduction.
• Superior Protection — reduces chlorine, chloramine, lead, cysts, VOCs, THMs, PFAS, nitrates, heavy metals, and fluoride.
• UV Upgrade (RO3-UV) — adds ultraviolet disinfection to kill bacteria, viruses, and microorganisms by 99.99%.
• High Efficiency — durable polyamide thin-film composite RO membrane with up to 50 GPD permeate flow.
• Safe Construction — independently tested, meets NSF standards, fully compliant with California No-Lead Standards.
• Complete Installation Kit — includes tubing, stop valve, storage tank, and faucet (finish options available).

Specifications

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

Filter Replacement #: F.SET.RO3 F.SET.RO3-UV

Applications

• Under-sink installation for homes, apartments, or offices
• Ideal for families seeking safe, great-tasting drinking water
• RO3-UV recommended for well water or areas with microbiological concerns
• Perfect upgrade from basic carbon filters or pitcher filters

What’s Included

• EWS RO3 or RO3-UV system with pre-filter, RO membrane, and post-filter
• RO3-UV includes ultraviolet disinfection module
• Storage tank (3.2 gallons standard, upgrade options available)
• Dedicated faucet (finish options available)
• Stop valve, tubing, and mounting hardware
• Installation and operation manual

Flow Rate: up to 1 gallon per minute
Filter Capacity: as needed, or up to 1 year (not to exceed a year)

Filter Replacement #: F.SET.RO3 F.SET.RO3-UV

Height: 16″ (allow 4" clearance in order to replace filters easily)
Width x Depth: 5" x 13"

Tank Size: 11"w x 11"d x 16"h, 3.2 gallon capacity
Weight: 20 lbs. total