Express Water ROALK10MBN

Last updated: November 2, 2026

Express Water ROALK10MBN
3.0/5#9 of 14 in with tank RO systems
3.0

For a buyer who wants mineralized water at a low price. The RO5DX is the safer pick if certification matters.

  • 100 gallons a dayOutput
  • $143 a yearFilters
  • NoNSF/ANSI 58
Check price at Amazon$199.99

Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Adds minerals back for taste
  • Faster 100 gallon a day membrane refills the tank sooner
  • Includes a leak stop valve
Cons
  • Not certified to NSF/ANSI 58, despite the listing title
  • Drain ratio and tank size are not published
  • One year warranty

How it scores

The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.

Specifications

Model numberROALK10MBN
Filtration
Output100 gallons a day
Stages10
RemineralizationYes
NSF/ANSI 58No
Other certificationsNSF/ANSI 372
Replacement filters$143 a year
Build
Booster pumpNo
Smart faucetNo
Warranty1 year

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