SimPure Y7P
Score: 85/100
iSpring RCC7AK Black
Score: 88/100Rankings
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 seeking superior drinking water quality with bottled-water taste.
The SimPure Y7P-BW is a countertop reverse osmosis water filtration system designed for plug-and-play installation without plumbing modifications. It utilizes a 4- or 5-stage filtration process combined with UV sterilization to remove over 1,000 contaminants while maintaining a highly efficient 4:1 pure-to-drain water ratio. Best suited for renters, small households, offices, RVs, and apartments needing plug-and-play purification without plumbing.
| Attribute | | |
|---|---|---|
0.29 GPMbest | 0.052 GPM | |
6 months | 12 monthsbest | |
5 stages | 6 stagesbest | |
98.64 %best | 97.9 % | |
| ↓ lower better | 0 micronsbest | 0 micronsbest |
| ↓ lower better | 4 ratiobest | — |
1 yearsbest | 1 yearsbest | |
| ↓ lower better | 16.1 inchesbest | 19 inches |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Health & Safety(2) | ||
Certifications | NSF/ANSI 58, EPA 537, SGS tested | NSF/ANSI 58 |
Remineralization | false | true |
Installation & Compatibility(1) | ||
Installation Type | Countertop | Under-Sink |
Filtration & Performance(4) | ||
Filtration Technology | Reverse Osmosis + UV Sterilization | Reverse Osmosis |
Flow Rate (GPM) | 0.29 GPM | 0.052 GPM |
Filtration Stages (stages) | 5 stages | 6 stages |
TDS Reduction (%) | 98.64 % | 97.9 % |
Maintenance & Warranty(1) | ||
Filter Lifespan (months) | 6 months | 12 months |
Dimensions & Build(3) | ||
Height (inches) | 16.1 inches | 19.00 inches |
Width (inches) | 7.49 inches | 16.0 inches |
Depth (inches) | 17.3 inches | 15.5 inches |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the SimPure Y7P-BW for its superior water efficiency and effective UV sterilization, noting it stands out among countertop RO systems for its 4:1 ratio and chemical-free microbe removal. However, experts deduct points for the lack of comprehensive independent NSF/ANSI certifications for all claimed contaminants and cite design issues related to rear tank access. It is positioned as a highly efficient option for users prioritizing water savings and ease of use, though it may not be the top choice for those requiring broadest certification coverage.
Everyday users generally praise the product for its ease of use, improved water taste, and the convenience of not needing plumbing installation. Common themes include appreciation for the water savings and the reduction in plastic bottle usage. Recurring complaints focus on potential difficulties with accessing rear tanks and skepticism regarding the breadth of certification claims for contaminant removal.
