Best Reverse Osmosis Systems, ranked
Multi-stage RO for drinking water — removes dissolved contaminants
Waterdrop · Reverse Osmosis Systems
Waterdrop G3P800 Tankless RO (800 GPD)
- gpd
- 800
- stages
- 7
- tankless
- true
GE Appliances (Haier) · Reverse Osmosis Systems
GE GXRV40TBN 5-Stage Reverse Osmosis
- gpd
- 14.76
- stages
- 5
- antimicrobial
- true
A.O. Smith · Reverse Osmosis Systems
A.O. Smith AO-US-RO-4000 4-Stage RO
- gpd
- 50
- stages
- 4
- fluoride pct
- 99
APEC Water Systems · Reverse Osmosis Systems
APEC RO-90 Ultimate 5-Stage RO (90 GPD)
- gpd
- 90
- stages
- 5
- membrane
- FILMTEC TFC
Aquasana · Reverse Osmosis Systems
Aquasana OptimH2O Reverse Osmosis + Claryum
- gpd
- 35
- stages
- 3
- fluoride pct
- 95
Aquasana · Reverse Osmosis Systems
Aquasana SmartFlow Reverse Osmosis
- stages
- multi
- tankless
- true
- efficiency
- high-recovery
Home Master (Perfect Water) · Reverse Osmosis Systems
Home Master TMAFC-ERP Artesian Full Contact RO
- gpd
- 75
- stages
- 7
- membrane
- DOW 50gpd
How we rank — and why you can trust it
Rankings are built from independent factors: NSF/ANSI certifications, which contaminants a system is verified to remove, price relative to performance, warranty, and aggregate review data. Brands cannot pay to move up. This is not a pay-to-rank list.
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