
iSpring RCC7AK-UV
Score: 90/100
iSpring RO100
Score: 78/100Rankings

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 iSpring RO100 is a reliable 5-stage under-sink reverse osmosis system designed for residential use, capable of removing up to 99% of over 1,000 contaminants. It features a highly efficient 1:1 pure-to-waste water ratio and utilizes US-made filters for reliable filtration. The system is best suited for homeowners seeking comprehensive contaminant removal with easy DIY installation and a standard 100 GPD flow rate.
| Attribute | ![]() | ![]() |
|---|---|---|
7 stagesbest | 5 stages | |
75 gallons per day | 100 gallons per daybest | |
97.9 percent | 99 percentbest | |
2 gallonsbest | — | |
1,000 countbest | 1,000 countbest | |
6 monthsbest | — | |
| ↓ lower better | 8 inches | 5.25 inchesbest |
| ↓ lower better | 18 inches | 17 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compliance & Safety(1) | ||
Certifications | NSF/ANSI 58 | US Made |
Storage(1) | ||
Storage Tank Capacity (gallons) | 2 gallons | Standard gallons |
Maintenance(1) | ||
Filter Lifespan (months) | 6 months | months |
Design(2) | ||
System Width (inches) | 8.0 inches | 5.25 inches |
System Height (inches) | 18.0 inches | 17.00 inches |
Power(1) | ||
Power Requirement | true | false |
Performance(5) | ||
Filtration Stages (stages) | 7 stages | 5 stages |
Daily Production Rate (gallons per day) | 75 gallons per day | 100 gallons per day |
TDS Reduction Rate (percent) | 97.9 percent | 99 percent |
Wastewater Ratio | Standard | 1:1 |
Feed Water Pressure (PSI) | 45 PSI | PSI |
Features(3) | ||
Remineralization | true | false |
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.

The provided research data does not contain independent professional reviews or detailed editorial feedback.
Users value the system for producing high-quality water that improves the taste of beverages and food, such as tea, coffee, and ice cubes.

