iSpring RCC7
Score: 85/100
Express Water Reverse Osmosis
Score: 82/100Rankings
The iSpring RCC7 is a robust 5-stage under-sink reverse osmosis system certified by NSF/ANSI 58, offering high contaminant removal rates including lead and fluoride. It lacks remineralization and UV sterilization, which are notable trade-offs for users seeking enhanced taste or pathogen protection. It is best suited for budget-conscious households needing reliable, high-capacity filtration.
The Express Water RO10M is a 5-stage reverse osmosis system designed for under-sink installation, capable of reducing up to 99.99% of contaminants. It features automatic tank refill technology and leak detection, though it requires a storage tank that takes up space. It is best suited for households of 4+ people seeking consistent daily drinking water production.
| Attribute | | |
|---|---|---|
0.052 GPM | 0.8 GPMbest | |
6 months | 12 monthsbest | |
5 stagesbest | 5 stagesbest | |
85 % | 99 %best | |
| ↓ lower better | — | 40 PSIbest |
| ↓ lower better | 0 micronsbest | — |
1 yearsbest | 1 yearsbest | |
| ↓ lower better | 18 inches | 17 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Health & Safety(1) | ||
Remineralization | false | true |
Installation & Compatibility(1) | ||
Operating Pressure (PSI) | PSI | 40 PSI |
Filtration & Performance(4) | ||
Flow Rate (GPM) | 0.052 GPM | 0.8 GPM |
TDS Reduction (%) | 85 % | 99 % |
Micron Rating (microns) | 0.0001 microns | null microns |
Pure to Drain Ratio (ratio) | ratio | null ratio |
Maintenance & Warranty(1) | ||
Filter Lifespan (months) | 6 months | 12 months |
Dimensions & Build(2) | ||
Height (inches) | 18.0 inches | 17.0 inches |
Width (inches) | 8.0 inches | 5.0 inches |
Products in the top-left offer the best value (high score, low price).
Professional assessments highlight the iSpring RCC7's robust NSF certification and comprehensive contaminant removal capabilities. It is recognized for its high capacity design and the inclusion of lifetime US-based technical support, positioning it as a reliable best-seller in the under-sink RO market.
Everyday users report satisfaction with the clean, safe, and good-tasting water produced by the system, noting it is superior to bottled water. Common praise includes the ability to make crystal clear ice cubes and fresher beverages, as well as the convenience of the transparent housing for easy filter inspection.
Professional reviewers highlight the Express Water RO10M's ability to deliver crisp, pure water that tastes noticeably fresher than tap water. The system is praised for its compact design that fits neatly under sinks and its specially engineered filters that produce healthy drinking water.
Users appreciate the simple setup and preassembled design that reduces installation complexity, making it accessible for DIY enthusiasts. The product line maintains strong engagement on retail platforms, suggesting high interest.
