Frizzlife SP99
Score: 82/100
iSpring RCC7AK Black
Score: 85/100Rankings
The iSpring RCC7AK-BLK is a 6-stage under-sink reverse osmosis system certified by NSF/ANSI 58 to remove up to 99% of over 1,000 contaminants. It features an alkaline remineralization stage that restores minerals and pH balance, producing bottled-water quality taste without requiring electricity. It is best suited for homeowners with adequate water pressure (40-80 PSI) who want a pumpless, energy-efficient solution.
The Frizzlife SP99-NEW is an under-sink filtration system that includes a brushed nickel faucet and offers NSF-certified removal of over 99% of contaminants like lead and chlorine. It retains beneficial minerals and features a quick-change filter design. The main drawbacks are the lack of detailed expert/user feedback and missing data on filter lifespan. It is best for homeowners seeking a DIY-friendly system with a dedicated faucet.
| Attribute | | |
|---|---|---|
1.5 gallons per minutebest | — | |
3 | 6best | |
— | 1 yearsbest | |
| ↓ lower better | 14 inchesbest | 19 inches |
| ↓ lower better | 5 inchesbest | 16 inches |
| ↓ lower better | 15 inchesbest | 15.5 inches |
0 percent | 97.9 percentbest | |
20 psi | 40 psibest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Value & Warranty(1) | ||
Warranty (years) | years | 1 years |
Dimensions & Fit(3) | ||
Height (inches) | 14.0 inches | 19.0 inches |
Width (inches) | 5.0 inches | 16.0 inches |
Depth (inches) | 15.0 inches | 15.5 inches |
Performance & Filtration(5) | ||
Certifications | NSF/ANSI 42&53 | NSF/ANSI 58 |
Contaminants Removed | Lead, Chlorine, Chloramine, Fluoride, Heavy Metals | Sediment, vinyl chloride, chlorine, fluoride, lead, arsenic, PFAS, asbestos, calcium, sodium |
Filtration Stages | 3 | 6 |
Filtration Technology | Carbon Block | Reverse Osmosis |
TDS Reduction (percent) | 0 percent | 97.9 percent |
Installation & Compatibility(2) | ||
Installation Type | Under Sink | Under-sink |
Operating Pressure (psi) | 20-80 psi | 40-80 psi |
Products in the top-left offer the best value (high score, low price).
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