MSR Guardian Water Purifier vs SteriPEN Ultra UV Water Purifier
Head-to-head comparison of MSR Guardian Water Purifier vs SteriPEN Ultra UV Water Purifier. Specs, pricing, pros/cons, and our verdict on which water filtration system to buy.
| Specification | ||
|---|---|---|
| Filter Type | pump purifier | UV-C light purification |
| Weight Oz | 17.3 | 4.9 |
| Flow Rate | 2.5 L/min | 1 L in 90 seconds |
| Filter Life Gallons | 2,642 | 2,113 |
| Filter Life Liters | 10,000 | — |
| Pore Size | hollow fiber + medical-grade fiber | N/A — UV neutralization |
| Contaminants Removed | bacteria, protozoa, viruses, sediment, microplastics | bacteria, protozoa, viruses |
| Requires Power | No | Yes |
| Virus Removal | Yes | Yes |
| Self Cleaning | Yes | — |
| Pump Strokes Per Liter | 40 | — |
| Hose Length Inches | 36 | — |
| Operating Temp | above freezing | above freezing |
| Meets Standard | NSF P248 military testing protocol | — |
| Filter Life Treatments | — | 8,000 |
| Battery Type | — | rechargeable lithium-ion |
| Battery Capacity Mah | — | 2,200 |
| Treatments Per Charge | — | 50 |
| Charge Via | — | USB |
| Treatment Time Half Liter | — | 48 seconds |
| Treatment Time One Liter | — | 90 seconds |
| Oled Display | — | Yes |
| Dimensions | — | 7.3 x 1.6 x 1.3 in |
🏆 Our Verdict
Choose the MSR Guardian Water Purifier if you need top-tier filtration performance and premium build quality and features.
Choose the SteriPEN Ultra UV Water Purifier if you prioritize value (typically $235 less) .
Related
Frequently Asked Questions
Is the MSR Guardian Water Purifier better than the SteriPEN Ultra UV Water Purifier?
The MSR Guardian Water Purifier scores 9.1/10 vs 7.8/10 overall. Choose based on your specific filtration needs, capacity requirements, and whether you prioritize overall performance.
Which is more portable, MSR Guardian Water Purifier or SteriPEN Ultra UV Water Purifier?
The SteriPEN Ultra UV Water Purifier is lighter at NaN lbs vs NaN lbs.
Which offers better value, MSR Guardian Water Purifier or SteriPEN Ultra UV Water Purifier?
The MSR Guardian Water Purifier costs $325 while the SteriPEN Ultra UV Water Purifier costs $90. Consider the filter lifespan and replacement costs when evaluating long-term value.