
British Berkefeld
Score: 88/100
SimPure Y7P
Score: 88/100Rankings

The British Berkefeld gravity water filter is a high-performance, portable filtration unit designed for comprehensive contaminant reduction without electricity. It stands out for its rare NSF 372 lead-free certification and broad spectrum of verified health effect standards. While the initial setup and ongoing filter costs are higher, it is ideal for users prioritizing verified safety and portability.

The SimPure Y7P-BW is a high-efficiency countertop RO system featuring UV sterilization and a superior 4:1 water recycling ratio. While it offers fast dispensing and excellent contaminant removal, it lacks comprehensive independent certification for all claims and has a plastic build. It is best suited for renters and eco-conscious users who prioritize water savings and ease of use.
| Attribute | ![]() | ![]() |
|---|---|---|
9 monthsbest | 6 months | |
1.25 gallons per hour | 418 gallons per hourbest | |
— | 98.64 %best | |
2.1 gallonsbest | 1.3 gallons | |
3 stages | 5 stagesbest | |
19.25 inchesbest | 16.1 inches | |
8.5 inchesbest | 7.49 inches | |
8.5 inches | 17.3 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance & Filtration(6) | ||
Certifications | NSF 42, 53, 372, 401 | NSF/ANSI 58, EPA 537, SGS |
Contaminants Reduced | Bacteria, chlorine, lead, sediment, microplastics, trace organics, enhanced organics, pharmaceuticals, PFAS, VOCs | 1000+ contaminants including heavy metals, PFAS, microbes |
Filtration Technology | Micro-porous ceramic with GAC | Reverse Osmosis with UV |
Filter Lifespan (months) | 9 months | 6 months |
Flow Rate (gallons per hour) | 1.25 gallons per hour | 418 gallons per hour |
Filtration Stages (stages) | 3 stages | 5 stages |
Capacity & Dimensions(5) | ||
Water Capacity (gallons) | 2.1 gallons | 1.3 gallons |
Height (inches) | 19.25 inches | 16.1 inches |
Width (inches) | 8.5 inches | 7.49 inches |
Depth (inches) | 8.5 inches | 17.3 inches |
Product Weight (pounds) | 7.3 pounds | 18.0 pounds |
Design & Installation(4) | ||
Installation Type | Countertop / Gravity | Countertop |
Housing Material | Stainless Steel | Plastic/ABS |
Filter Type | Ceramic Candle | Composite/RO |
Power Requirement | None | Electric |


Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight the British Berkefeld system's superior certification profile, specifically noting its NSF 372 lead-free certification which is rare for stainless steel gravity filters. Independent lab testing confirmed its effectiveness under real-world conditions.
Everyday users commonly praise the system for its effective taste and odor improvement, improved water clarity, and the convenience of pre-installed filters. However, recurring concerns include the initial activation process and regular replacement costs.

Professional reviewers praise the SimPure Y7P-BW for its superior water efficiency and effective UV sterilization, noting it stands out among countertop RO systems for its 4:1 ratio and chemical-free microbe removal. However, experts deduct points for the lack of comprehensive independent NSF/ANSI certifications for all claimed contaminants and cite design issues related to rear tank access.
Everyday users generally praise the product for its ease of use, improved water taste, and the convenience of not needing plumbing installation. Common themes include appreciation for the water savings and the reduction in plastic bottle usage. Recurring complaints focus on potential difficulties with accessing rear tanks and skepticism regarding the breadth of certification claims for contaminant removal.

