Big Berkey Gravity Water Filter vs ProOne Big+ Gravity Water Filter
Big Berkey Gravity Water Filter vs ProOne Big+ Gravity Water Filter compared spec-by-spec. Filtration performance, flow rate, pricing, pros, cons, and our verdict on which water filter to buy.
| Specification | ||
|---|---|---|
| Filter Type | gravity | gravity |
| Capacity Gallons | 2.25 | 3 |
| Flow Rate Gph | 3.5 | 2.75 |
| Filter Life Gallons | 6,000 | 1,000 |
| Filter Elements Included | 2 | 2 |
| Max Filter Elements | 4 | 3 |
| Contaminants Removed | bacteria, protozoa, chlorine, pesticides, pharmaceuticals, heavy metals, VOCs | bacteria, protozoa, chlorine, lead, PFAS, microplastics, pesticides, pharmaceuticals, heavy metals, VOCs |
| Requires Power | No | No |
| Virus Removal | Yes | No |
| Material | 304 stainless steel | 304 stainless steel |
| Height Inches | 19.25 | 22.75 |
| Diameter Inches | 8.5 | 9 |
| Weight | 7 lbs ✓ Winner | 10 lbs |
| Serves People | 1-4 | 4+ |
| Pf2 Fluoride Compatible | Yes | — |
| Filter Element | — | ProOne G3.0 7-inch |
| Iapmo Certified | — | Yes |
Buy the Big Berkey Gravity Water Filter
Best prices · Updated hourly
Buy the ProOne Big+ Gravity Water Filter
Best prices · Updated hourly
Who Should Buy the Big Berkey Gravity Water Filter?
The Big Berkey Gravity Water Filter is designed for gravity fed cabin, emergency preparedness. As a gravity, it removes viruses, bacteria, and protozoa for true purification-level protection.
Key advantages include: removes 200+ contaminants including viruses without electricity; 6,000-gallon filter life per pair — extremely low cost per gallon; stainless steel construction lasts decades. At 7 lbs, it's better suited for basecamp or vehicle-based use.
Priced at $280, the Big Berkey Gravity Water Filter scores 8.8/10 in our testing — an excellent performer across our key metrics.
Who Should Buy the ProOne Big+ Gravity Water Filter?
The ProOne Big+ Gravity Water Filter is designed for gravity fed cabin, emergency preparedness. As a gravity, it handles bacteria and protozoa — appropriate for most backcountry and domestic use cases.
Key advantages include: iapmo certified to reduce lead, total pfas, microplastics, and chlorine; 3-gallon capacity serves households of 4+ people easily; 304 stainless steel construction is durable and easy to clean. At 10 lbs, it's better suited for basecamp or vehicle-based use.
Priced at $280, the ProOne Big+ Gravity Water Filter scores 8.5/10 in our testing — an excellent performer across our key metrics.
How Do the Specs Compare?
Filter type: The Big Berkey Gravity Water Filter is a gravity while the ProOne Big+ Gravity Water Filter is a gravity. Both use the same filtration method, so performance differences come down to build quality, flow rate, and longevity.
Filtration performance: The Big Berkey Gravity Water Filter scores higher on filtration at 9.5/10 versus 9/10 for the ProOne Big+ Gravity Water Filter. The Big Berkey Gravity Water Filter's virus removal capability is the key differentiator — essential for international travel or emergency scenarios where source water quality is unknown.
Filter life: The Big Berkey Gravity Water Filter lasts longer at 6,000 gallons versus 1,000 gallons. Factor in replacement cartridge costs when comparing long-term value.
Portability: The Big Berkey Gravity Water Filter is lighter at 7 lbs versus 10 lbs for the ProOne Big+ Gravity Water Filter. 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 Big Berkey Gravity Water Filter costs $280 versus $280 for the ProOne Big+ Gravity Water Filter. At this price parity, the decision comes down to filtration scope and use case fit.
🏆 Our Verdict
Choose the Big Berkey Gravity Water Filter if you need top-tier filtration performance , lightweight portability at 7 lbs and strong value for the price.
Choose the ProOne Big+ Gravity Water Filter if you prioritize premium features and build quality .
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