VonWater 800GPD
Score: 92/100
Aquasana SmartFlow
Score: 88/100Rankings
The VonWater V2-800N is a high-capacity, tankless reverse osmosis system that delivers 800 GPD with a highly efficient 2:1 wastewater ratio. It features a compact design that saves space and NSF/ANSI 372 certification for safety, though it requires an electrical outlet and professional-grade installation. It is best suited for households with high water needs and limited cabinet space.
The Aquasana SmartFlow® Reverse Osmosis Water Filter System is a high-efficiency under-sink filtration unit that combines Claryum® technology with reverse osmosis to remove up to 99.99% of 90 contaminants. It features patented SmartFlow® technology to reduce water waste and extend filter life, along with a remineralization stage to improve pH balance and alkalinity. The system is best suited for health-conscious households seeking comprehensive contaminant removal and mineral-enriched water.
| Attribute | | |
|---|---|---|
7 stagesbest | 4 stages | |
800 gallons per daybest | 25.7 gallons per day | |
— | 96.4 percentbest | |
0 gallons | 2.5 gallonsbest | |
9 count | 90 countbest | |
| ↓ lower better | 4.9 inches | 4.5 inchesbest |
| ↓ lower better | 16.3 inches | 12.93 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Compliance & Safety(1) | ||
Certifications | NSF/ANSI 372, EPA, SGS, FCC | WQA Certified |
Storage(1) | ||
Storage Tank Capacity (gallons) | 0 gallons | 2.5 gallons |
General(1) | ||
Installation Type | Under Sink | Under-sink |
Maintenance(1) | ||
Filter Lifespan (months) | 6-24 months | months |
Design(2) | ||
System Width (inches) | 4.9 inches | 4.5 inches |
System Height (inches) | 16.3 inches | 12.93 inches |
Power(1) | ||
Power Requirement | true | false |
Performance(5) | ||
Filtration Stages (stages) | 7 stages | 4 stages |
Daily Production Rate (gallons per day) | 800 gallons per day | 25.7 gallons per day |
Wastewater Ratio | 2:1 | Low Waste |
Contaminants Removed (count) | 9 count | 90 count |
Feed Water Pressure (PSI) | 14.5-87 PSI | 40-80 PSI |
Features(3) | ||
Remineralization | false | true |
Faucet Type | Stainless Steel | Dedicated Faucet |
Automatic Shutoff | true | |
Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the system's exceptional filtration efficiency combined with significant space optimization and the efficient 2:1 pure-to-drain ratio.
Users consistently praise the effective filtration performance, space efficiency, and easy filter maintenance, though some note the installation complexity.
Expert reviewers highlight the Aquasana SmartFlow® system for offering one of the highest certified contaminant removal rates among reverse osmosis systems. The patented SmartFlow® technology is specifically praised for reducing water waste and extending filter life beyond average RO systems.
The search results provided do not contain specific consumer reviews or everyday user feedback regarding common praise or recurring complaints.
