Purewell PW-OB-PH
Score: 72/100
Epic Nano
Score: 78/100Rankings
The Epic Nano Water Filter Pitcher is a gravity-fed, space-efficient filtration system designed to remove bacteria, viruses, PFAS, heavy metals, and microplastics from drinking water. It features a 10-cup capacity, medical-grade Tritan construction, and NSF/ANSI certifications for standards 42, 53, 401, and P473. Best suited for well water users needing protection against biological contaminants or emergency preparedness scenarios.
The Purewell 6-Stage system offers high-precision 0.01-micron filtration in a durable stainless steel body, making it excellent for removing microscopic contaminants. However, it lacks TDS reduction capabilities and has a limited water capacity. It is best suited for small households or off-grid use where fine filtration is prioritized over mineral adjustment.
| Attribute | | |
|---|---|---|
4 GPMbest | 0.037 GPM | |
6 monthsbest | 3.5 months | |
6 stagesbest | — | |
— | 99.99 %best | |
| ↓ lower better | — | 0 PSIbest |
| ↓ lower better | 0.01 micronsbest | — |
| ↓ lower better | 20 inches | 12 inchesbest |
| ↓ lower better | 8.8 inches | 7 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Health & Safety(2) | ||
Certifications | NSF/ANSI 42, 372 | NSF/ANSI 42, 53, 401, P231, P473 |
Remineralization | true | false |
Installation & Compatibility(1) | ||
Installation Type | Countertop / Gravity | Countertop |
Filtration & Performance(4) | ||
Filtration Technology | Ultra-Filtration (UF) and Carbon | Gravity-Fed |
Flow Rate (GPM) | 4.0 GPM | 0.037 GPM |
Filtration Stages (stages) | 6 stages | stages |
Micron Rating (microns) | 0.01 microns | microns |
Maintenance & Warranty(1) | ||
Filter Lifespan (months) | 6 months | 3-4 months |
Dimensions & Build(3) | ||
Height (inches) | 20.0 inches | 12.0 inches |
Width (inches) | 8.8 inches | 7.0 inches |
Depth (inches) | 8.8 inches | 7.0 inches |
Products in the top-left offer the best value (high score, low price).
Professional reviews highlight the Purewell system as a well-crafted solution for fine filtration needs, praising its 0.01-micron accuracy and durable construction, while noting the inability to reduce TDS.
Users appreciate the ease of use, portability, and effective contaminant removal, though some note the slower flow rate and limited capacity as minor inconveniences.
Professional reviewers and editors position the Epic Nano as one of the best water filter pitchers available in its price segment, primarily due to its extensive NSF/ANSI certifications and high contaminant removal rates. It is specifically recommended for well water users dealing with bacteria, viruses, and cysts, as well as for emergency preparedness.
Promotional materials highlight customer satisfaction, emphasizing the product's ability to provide clean hydration and its suitability for watering sensitive plants due to the removal of chlorine and heavy metals.
