EWS RO3 and RO3-UV Three-Stage Under Sink Reverse Osmosis Systems
Product Overview
The EWS RO3 and RO3-UV are three-stage under sink reverse osmosis drinking water systems with a storage tank, dedicated faucet, and optional UV protection on the RO3-UV variant.
Key Features:
- Three-stage under sink reverse osmosis system
- RO3-UV variant includes UV module
- 50 GPD membrane flow rate
- Storage tank and dedicated faucet included
- Replacement filter sets: F.SET.RO3 and F.SET.RO3-UV
Common Uses:
- Under sink drinking water reverse osmosis
- Kitchen faucet drinking and cooking water
- Applications where a storage tank RO system is preferred
Technical Specifications:
- Operating Pressure: 40-75 PSI
- Operating Temperature: 40°F to 100°F
- Membrane Output: 50 GPD
- System Size: 5 in. D x 16 in. H x 13 in. W
Important Compatibility Note:
Confirm the correct variant and local water conditions before purchase. Well water may require independent testing and pre-treatment.
FAQ
What is the difference between RO3 and RO3-UV?
RO3-UV includes the UV module option, while the standard RO3 does not.
Does this include a tank and faucet?
Yes. The system includes a storage tank and dedicated faucet.
What should I check before ordering?
Confirm under sink space, water pressure, drain connection, and whether UV protection is needed.
Why Buy From Big Frog Supply?
Big Frog Supply provides clear product details, helpful support, and fast online ordering.
Product Information
Product Information
Shipping & Returns
Shipping & Returns





EWS RO3 and RO3-UV Three-Stage Under Sink Reverse Osmosis Systems
EWS RO3 and RO3-UV Three-Stage Under Sink Reverse Osmosis Systems
Product Overview
The EWS RO3 and RO3-UV are three-stage under sink reverse osmosis drinking water systems with a storage tank, dedicated faucet, and optional UV protection on the RO3-UV variant.
Key Features:
- Three-stage under sink reverse osmosis system
- RO3-UV variant includes UV module
- 50 GPD membrane flow rate
- Storage tank and dedicated faucet included
- Replacement filter sets: F.SET.RO3 and F.SET.RO3-UV
Common Uses:
- Under sink drinking water reverse osmosis
- Kitchen faucet drinking and cooking water
- Applications where a storage tank RO system is preferred
Technical Specifications:
- Operating Pressure: 40-75 PSI
- Operating Temperature: 40°F to 100°F
- Membrane Output: 50 GPD
- System Size: 5 in. D x 16 in. H x 13 in. W
Important Compatibility Note:
Confirm the correct variant and local water conditions before purchase. Well water may require independent testing and pre-treatment.
FAQ
What is the difference between RO3 and RO3-UV?
RO3-UV includes the UV module option, while the standard RO3 does not.
Does this include a tank and faucet?
Yes. The system includes a storage tank and dedicated faucet.
What should I check before ordering?
Confirm under sink space, water pressure, drain connection, and whether UV protection is needed.
Why Buy From Big Frog Supply?
Big Frog Supply provides clear product details, helpful support, and fast online ordering.
Original: $876.75
-65%$876.75
$306.86Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Product Overview
The EWS RO3 and RO3-UV are three-stage under sink reverse osmosis drinking water systems with a storage tank, dedicated faucet, and optional UV protection on the RO3-UV variant.
Key Features:
- Three-stage under sink reverse osmosis system
- RO3-UV variant includes UV module
- 50 GPD membrane flow rate
- Storage tank and dedicated faucet included
- Replacement filter sets: F.SET.RO3 and F.SET.RO3-UV
Common Uses:
- Under sink drinking water reverse osmosis
- Kitchen faucet drinking and cooking water
- Applications where a storage tank RO system is preferred
Technical Specifications:
- Operating Pressure: 40-75 PSI
- Operating Temperature: 40°F to 100°F
- Membrane Output: 50 GPD
- System Size: 5 in. D x 16 in. H x 13 in. W
Important Compatibility Note:
Confirm the correct variant and local water conditions before purchase. Well water may require independent testing and pre-treatment.
FAQ
What is the difference between RO3 and RO3-UV?
RO3-UV includes the UV module option, while the standard RO3 does not.
Does this include a tank and faucet?
Yes. The system includes a storage tank and dedicated faucet.
What should I check before ordering?
Confirm under sink space, water pressure, drain connection, and whether UV protection is needed.
Why Buy From Big Frog Supply?
Big Frog Supply provides clear product details, helpful support, and fast online ordering.
















