Epic Nano Water Filter Bottle vs Platypus GravityWorks 4L Water Filter System
Epic Nano Water Filter Bottle vs Platypus GravityWorks 4L Water Filter System compared spec-by-spec. Filtration performance, flow rate, pricing, pros, cons, and our verdict on which water filter to buy.
| Specification | B — platypus Platypus GravityWorks 4L Water Filter System 8.6/10 $120 Check Price on Amazon $130
Save $10 | |
|---|---|---|
| Filter Type | nanofiltration bottle | hollow fiber membrane gravity |
| Weight Oz | 10 | 11.7 |
| Capacity Oz | 24 | — |
| Flow Rate | sip-through on demand | 1.75 L/min |
| Filter Life Gallons | 75 | 396 |
| Pore Size | nanofiltration media | 0.2 micron |
| Contaminants Removed | bacteria, viruses, cysts, lead, chromium 6, PFOS, PFOA, chlorine, microplastics, heavy metals, pesticides, pharmaceuticals | bacteria, protozoa, microplastics |
| Requires Power | No | No |
| Virus Removal | Yes | No |
| Bpa Free | Yes | Yes |
| Nalgene Sustain | Yes | — |
| Dishwasher Safe | No | — |
| Operating Temp | above freezing | above freezing |
| Made In | USA | — |
| Nsf Standards | 42, 53, 401, P473 | — |
| Capacity Liters | — | 4 |
| Total Storage Liters | — | 8 |
| Filter Life Liters | — | 1,500 |
| Backflush Capable | — | Yes |
| Serves People | — | 1-6 |
| Includes Bags | — | Yes |
| Dirty Bag Liters | — | 4 |
| Clean Bag Liters | — | 4 |
Buy the Epic Nano Water Filter Bottle
Best prices · Updated hourly
Buy the Platypus GravityWorks 4L Water Filter System
Best prices · Updated hourly
Who Should Buy the Epic Nano Water Filter Bottle?
The Epic Nano Water Filter Bottle is designed for camping hiking, under 50, under 100. As a nanofiltration bottle, it removes viruses, bacteria, and protozoa for true purification-level protection.
Key advantages include: nano-level filtration removes viruses, bacteria, and 70+ contaminants in a portable bottle; nsf/ansi 42, 53, 401, and p473 certified — independently verified performance; made in the usa with bpa/bps-free nalgene sustain material. At 10 oz, it's light enough for backpacking.
Priced at $35, the Epic Nano Water Filter Bottle scores 7.6/10 in our testing — a reliable choice for its price bracket.
Who Should Buy the Platypus GravityWorks 4L Water Filter System?
The Platypus GravityWorks 4L Water Filter System is designed for camping hiking, gravity fed cabin. As a hollow fiber membrane gravity, it handles bacteria and protozoa — appropriate for most backcountry and domestic use cases.
Key advantages include: hands-free gravity operation — hang it and walk away; 4l dirty + 4l clean bags provide 8l total water storage for groups; 1.75 l/min flow rate is excellent for a gravity system. At 11.7 oz, it's light enough for backpacking.
Priced at $120, the Platypus GravityWorks 4L Water Filter System scores 8.6/10 in our testing — an excellent performer across our key metrics.
How Do the Specs Compare?
Filter type: The Epic Nano Water Filter Bottle is a nanofiltration bottle while the Platypus GravityWorks 4L Water Filter System is a hollow fiber membrane gravity. Different filter types suit different scenarios — consider your primary use case when choosing between them.
Filtration performance: The Epic Nano Water Filter Bottle scores higher on filtration at 8.5/10 versus 8.5/10 for the Platypus GravityWorks 4L Water Filter System. The Epic Nano Water Filter Bottle's virus removal capability is the key differentiator — essential for international travel or emergency scenarios where source water quality is unknown.
Filter life: The Platypus GravityWorks 4L Water Filter System lasts longer at 396 gallons versus 75 gallons. Factor in replacement cartridge costs when comparing long-term value.
Portability: The Epic Nano Water Filter Bottle is lighter at 10 oz versus 11.7 oz for the Platypus GravityWorks 4L Water Filter System. For backpacking and wilderness travel, every ounce counts — but for car camping or emergency preparedness, weight is less critical than capacity and ease of use.
Price: The Epic Nano Water Filter Bottle costs $35 versus $120 for the Platypus GravityWorks 4L Water Filter System — a $85 difference. At this price parity, the decision comes down to filtration scope and use case fit.
🏆 Our Verdict
Choose the Epic Nano Water Filter Bottle if you need a reliable and proven filtration solution and strong value for the price.
Choose the Platypus GravityWorks 4L Water Filter System if you prioritize premium features and build quality .
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