
iSpring RCC7AK Black
Score: 85/100
Waterdrop UA-5Y
Score: 92/100Rankings

The Waterdrop UA-5Y is a compact under-sink filtration system featuring a 5-year filter lifespan and NSF/ANSI 372 certification for lead reduction. It offers easy, tool-free installation and effective removal of common contaminants like chlorine and microplastics. It is best suited for budget-conscious users seeking low-maintenance filtration in compact kitchen spaces.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 0.75 gallons per minutebest | |
— | 60 monthsbest | |
6best | 5 | |
1 years | 5 yearsbest | |
| ↓ lower better | 19 inches | 16.7 inchesbest |
| ↓ lower better | 16 inches | 3.6 inchesbest |
| ↓ lower better | 15.5 inches | 3.9 inchesbest |
97.9 percentbest | 0 percent |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Value & Warranty(1) | ||
Warranty (years) | 1 years | 5 years |
Dimensions & Fit(3) | ||
Height (inches) | 19.0 inches | 16.7 inches |
Width (inches) | 16.0 inches | 3.6 inches |
Depth (inches) | 15.5 inches | 3.9 inches |
Performance & Filtration(5) | ||
Certifications | NSF/ANSI 58 | NSF/ANSI 372, IAPMO R&T Tested |
Contaminants Removed | Sediment, vinyl chloride, chlorine, fluoride, lead, arsenic, PFAS, asbestos, calcium, sodium | Chlorine, Lead, Mercury, PFOA/PFOS, Microplastics, VOCs (partial), Taste/Odor |
Filtration Stages | 6 | 5 |
Filtration Technology | Reverse Osmosis | Activated Carbon Block |
TDS Reduction (percent) | 97.9 percent | 0 percent |
Features & Accessories(1) | ||
Included Faucet | true | false |
Installation & Compatibility(2) | ||
Installation Type | Under-sink | Under Sink |
Operating Pressure (psi) | 40-80 psi | 300 psi |

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

Professional reviewers view the Waterdrop UA-5Y as a reliable, durable option specifically suited for households prioritizing long-term convenience and ease of installation over maximum contaminant removal breadth.
General user sentiment is positive, with primary praise focused on the super quick installation, high water flow, and consistently clear and clean tasting water.
“Super quick installation”

“High flow”

“Clear and clean tasting water”



