Express Water RO5 vs Brondell H2O+ Circle — Which Should You Buy?

Side-by-side comparison of Express Water RO5 and Brondell H2O+ Circle. We compare specs, performance, and value to help you decide.

Updated 2026-03-09 Independently reviewed
Express Water RO5

Express Water RO5

8.6/10
$249 /one-time
VS
Brondell H2O+ Circle

Brondell H2O+ Circle

8.4/10
$129 /one-time

Feature Comparison

Feature Express Water RO5 Brondell H2O+ Circle
Type 5-stage RO 3-stage carbon
Capacity 75 GPD 1,320 gallons
Stages 5 (+ UV/alkaline options)
Removes Lead, arsenic, fluoride Chlorine, lead, cysts
Tank 3.2 gallon
UV Optional
Alkaline Optional
Warranty 1 year 1 year
Filter Life 2 years
Design Compact circle
Installation Under sink
Flow Rate 0.5 GPM

Express Water RO5

Pros

  • 5-stage RO
  • UV optional
  • Alkaline optional
  • Removes 99%
  • Fast flow
  • 3.2-gal tank
  • Good for large families

Cons

  • Add-ons increase cost
  • Standard waste ratio
  • Bulky under sink

Brondell H2O+ Circle

Pros

  • 2-year filter life
  • 1,320 gallon capacity
  • Compact
  • 3-stage
  • Removes lead, cysts
  • Easy filter change
  • Sleek design

Cons

  • Not RO
  • Lower flow
  • Premium price for non-RO

Our Verdict

Express Water RO5

The best under-sink RO with upgrade options for UV and alkaline water.

Limited Offer — Check Today's Price

Brondell H2O+ Circle

The best under-sink filter for long filter life—2 years between replacements.

Price Drop Alert — View Deal Now

Our Methodology

We test each under-sink filter for contaminant reduction, installation ease, and long-term cost. No manufacturer has editorial influence.

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