AquaTru Under Sink Reverse Osmosis vs British Berkefeld/Doulton Gravity Water Filter
AquaTru Under Sink Reverse Osmosis vs British Berkefeld/Doulton Gravity Water Filter compared spec-by-spec. Filtration performance, flow rate, pricing, pros, cons, and our verdict on which water filter to buy.
| Specification | A — aquatru AquaTru Under Sink Reverse Osmosis 8.5/10 $395
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| B — doulton British Berkefeld/Doulton Gravity Water Filter 8.3/10 $250 Check Price on Amazon $275
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|---|---|---|
| Filter Type | under-sink reverse osmosis | gravity |
| Contaminants Removed | PFAS, plus 84 total certified contaminants | bacteria, protozoa, chlorine, lead, sediment, cysts, turbidity |
| Contaminants Certified Removed | 84 | — |
| Smart Leak Detection | Yes | — |
| Virus Removal | Yes | Yes |
| Capacity Gallons | — | 2.25 |
| Flow Rate Gph | — | 2 |
| Filter Life Gallons | — | 400 |
| Filter Elements Included | — | 2 |
| Max Filter Elements | — | 4 |
| Filter Element | — | Ultra Sterasyl ceramic candle |
| Requires Power | — | No |
| Material | — | 304 stainless steel |
| Height Inches | — | 19.5 |
| Diameter Inches | — | 8.5 |
| Weight | — | 7.5 lbs |
| Serves People | — | 1-4 |
| Made In | — | United Kingdom |
| Nsf Certified | — | No |
Buy the AquaTru Under Sink Reverse Osmosis
Best prices · Updated hourly
Buy the British Berkefeld/Doulton Gravity Water Filter
Best prices · Updated hourly
Who Should Buy the AquaTru Under Sink Reverse Osmosis?
The AquaTru Under Sink Reverse Osmosis is designed for well water off grid, family use, under sink reverse osmosis. As a under-sink reverse osmosis, it removes viruses, bacteria, and protozoa for true purification-level protection.
Key advantages include: reverse-osmosis membrane certified to remove 84 contaminants, including pfas; under-sink install keeps the counter clear versus the countertop aquatru; smart leak detection guards against under-cabinet water damage.
Priced at $395, the AquaTru Under Sink Reverse Osmosis scores 8.5/10 in our testing — an excellent performer across our key metrics.
Who Should Buy the British Berkefeld/Doulton Gravity Water Filter?
The British Berkefeld/Doulton Gravity Water Filter is designed for gravity fed cabin. As a gravity, it removes viruses, bacteria, and protozoa for true purification-level protection.
Key advantages include: ultra sterasyl ceramic candles provide genuine virus removal via ceramic depth filtration; made in the uk with over 190 years of doulton ceramic filter heritage; stainless steel construction is robust and long-lasting. At 7.5 lbs, it's better suited for basecamp or vehicle-based use.
Priced at $250, the British Berkefeld/Doulton Gravity Water Filter scores 8.3/10 in our testing — an excellent performer across our key metrics.
How Do the Specs Compare?
Filter type: The AquaTru Under Sink Reverse Osmosis is a under-sink reverse osmosis while the British Berkefeld/Doulton Gravity Water Filter is a gravity. Different filter types suit different scenarios — consider your primary use case when choosing between them.
Filtration performance: The AquaTru Under Sink Reverse Osmosis scores higher on filtration at 9.5/10 versus 8.5/10 for the British Berkefeld/Doulton Gravity Water Filter. Both provide reliable protection for their intended use cases.
Price: The British Berkefeld/Doulton Gravity Water Filter costs $250 versus $395 for the AquaTru Under Sink Reverse Osmosis — a $145 difference. If the pricier unit offers significantly better filtration performance or longer filter life, the upfront cost difference often pays for itself over time.
🏆 Our Verdict
Choose the AquaTru Under Sink Reverse Osmosis if you need top-tier filtration performance and premium build quality and features.
Choose the British Berkefeld/Doulton Gravity Water Filter if you prioritize value (typically $145 less) .
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