iSpring CKC1
Score: 72/100
iFilters CNTP-1C
Score: 65/100Rankings
The iSpring CKC1 is a compact, countertop water filtration system designed for easy installation without drilling, connecting directly to standard kitchen faucets. It utilizes a 5-micron carbon block cartridge to remove chlorine, chloramine, odors, and sediment while preserving beneficial minerals in the water. It is best suited for renters and small households who need basic filtration without the complexity of permanent plumbing.
The iFilters CNTP-1C is a portable, single-stage countertop water filtration system designed for easy faucet connection without permanent installation. It utilizes a 0.5-micron coconut shell carbon block filter to reduce chlorine, heavy metals, VOCs, and cysts, making it suitable for renters and small spaces. While it offers strong NSF-certified performance for basic contaminant reduction, it lacks the comprehensive purification capabilities of multi-stage units.
| Attribute | | |
|---|---|---|
9 monthsbest | 6 months | |
0 %best | 0 %best | |
1 stagesbest | 1 stagesbest | |
15 inchesbest | 13 inches | |
7 inchesbest | 5 inches | |
7 inchesbest | 6.5 inches | |
| ↓ lower better | 3.1 poundsbest | 4 pounds |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance & Filtration(4) | ||
Certifications | NSF/ANSI | NSF/ANSI 372, NSF/ANSI 42 |
Contaminants Reduced | Chlorine, Chloramine, Sediment | Sediment, Cysts, VOCs, Pesticides, Chloramines |
Filtration Technology | Carbon Block/GAC | Coconut Carbon Block |
Filter Lifespan (months) | 9 months | 6 months |
Capacity & Dimensions(4) | ||
Height (inches) | 15.0 inches | 13.0 inches |
Width (inches) | 7.0 inches | 5.0 inches |
Depth (inches) | 7.0 inches | 6.5 inches |
Product Weight (pounds) | 3.1 pounds | 4.0 pounds |
Design & Installation(2) | ||
Installation Type | Countertop | Faucet Mount |
Filter Type | Standard 10-inch | Carbon Block |
Products in the top-left offer the best value (high score, low price).
The search results do not contain dedicated expert reviews from major tech or consumer review publications. However, the product consistently meets NSF/ANSI Standards as verified by independent third-party testing across all product listings.
Users appreciate the ease of installation and portability, noting that no plumber is needed. Common praise includes effective chlorine removal, odor reduction, and reliable performance with durable construction.
Professional reviewers and editors note that the iFilters CNTP-1C offers strong NSF-certified performance for basic contaminant reduction, particularly chlorine and VOCs. However, experts highlight that as a single-stage carbon block system, it lacks the comprehensive purification capabilities of multi-stage or reverse osmosis units, specifically noting its inability to reduce TDS.
Consumer feedback is limited but generally positive, with high ratings on the official site. Users commonly praise the ease of installation and the noticeable improvement in water taste. Recurring themes in similar products include concerns about filter longevity in high-sediment water and occasional compatibility issues with faucet adapters.
