
iSpring RCC7AK-UV
Score: 90/100
Aquasana SmartFlow
Score: 88/100Rankings

The iSpring RCC7AK-UV is a 7-stage under-sink reverse osmosis system that combines mechanical filtration with alkaline remineralization and UV sterilization. It offers a high 75 GPD flow rate and NSF/ANSI 58 certification, making it ideal for well water users and larger households. The inclusion of UV sterilization is a standout feature, though it requires adequate feed water pressure.

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 | |
75 gallons per daybest | 25.7 gallons per day | |
97.9 percentbest | 96.4 percent | |
2 gallons | 2.5 gallonsbest | |
1,000 countbest | 90 count | |
6 monthsbest | — | |
| ↓ lower better | 8 inches | 4.5 inchesbest |
| ↓ lower better | 18 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 58 | WQA Certified |
Storage(1) | ||
Storage Tank Capacity (gallons) | 2 gallons | 2.5 gallons |
Maintenance(1) | ||
Filter Lifespan (months) | 6 months | months |
Design(2) | ||
System Width (inches) | 8.0 inches | 4.5 inches |
System Height (inches) | 18.0 inches | 12.93 inches |
Power(1) | ||
Power Requirement | true | false |
Performance(6) | ||
Filtration Stages (stages) | 7 stages | 4 stages |
Daily Production Rate (gallons per day) | 75 gallons per day | 25.7 gallons per day |
TDS Reduction Rate (percent) | 97.9 percent | 96.4 percent |
Wastewater Ratio | Standard | Low Waste |
Contaminants Removed (count) | 1000 count | 90 count |
Feed Water Pressure (PSI) | 45 PSI | 40-80 PSI |
Features(2) | ||
Faucet Type | Brushed Nickel | Dedicated Faucet |
Automatic Shutoff | true | |

Products in the top-left offer the best value (high score, low price).

Professional reviewers characterize the iSpring RCC7AK-UV as a solid, budget-friendly option that delivers effective filtration, highlighting its NSF certifications and remineralization capabilities.
Everyday users express strong satisfaction with the product, reflected in a high rating on major retail platforms, praising the clean taste and peace of mind.



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.