Ultra Sterasyl is our best selling ceramic water filter for gravity water filter systems. This filter is NSF Certified.
The combination of a microfilter ceramic outer, granular activated carbon and heavy metal removal media effectively removes a range of difference contaminants including bacteria, chlorine, micro plastics, trace organics, enhanced organics, pharmaceuticals and heavy metals such as lead. And as well as working with our gravity water filters, it’s also compatible with all other gravity fed water filter systems on the market.
Specifications:
- (2) Filters 800 Gallons of Water
- Replace every six months to a year for best results
- Installed in Upper Chamber of Berkefeld System
- Includes wing nuts & washers
- 1.6 pounds
- Product Dimensions 2 x 2 x 7 inches
- Origin Made in Britain
- Size 7″
- Color White
This NSF Certified filter is made for our British Berkefeld Gravity Systems
- 2 filters fit in the Duchess Berkefeld, Borosilicate Glass System and White Stoneware System.
- 2-4 filters fit in the Prince & Duke Berkefeld
- 2-6 filters fit in the Queen Berkefeld
- 2-8 filters fit in the King Berkefeld
- 1 filter fits in the Baron Berkefeld
Our filters will work with all other Gravity Brand Systems (Berkey®, Alexapure®, Proone®, etc…)
| Company |
British Berkefeld®/ Doulton® |
| Filters | British Berkefeld® Ultra Sterasyl |
| Manufacturer Country Of Origin | UK |
| NSF/ANSI 42 Accreditation | |
| NSF/ANSI 53 Accreditation | |
| NSF/ANSI 372 Accreditation | |
| NSF/ANSI 401 Accreditation Emerging Compounds / | |
| Pour Through NSF | |
| Filter Lifespan Claim | Required by NSF Standards |
| Micro Biological Klebsiella | >99.9999% Tested on 800 gallons |
| Micro Biological E-coli | >99.9999% Tested on 800 gallons |
| PFAS | >99.9999% Tested on 800 gallons |
| Microplastics | >99.99% Tested on 800 gallons |
| Cyst | >99.99% Tested on 800 gallons |
| Chlorine Reduction | 99.44% Tested on 800 gallons |
| Heavy Metals Reduction | <99.9% Tested on 800 gallons |
| Lead Reduction | 99.5% Tested on 800 gallons |
| Glyphosate Reduction | 99.5% Tested on 800 gallons |
| Fluoride Reduction | British Berkefeld® Ultra Fluoride are available |
| Pesticide Reduction | 99.44% Tested on 800 gallons |
| Herbicide Reduction | <99.2% Tested on 800 gallons |
| Pharma Reduction | <98% Tested on 800 gallons |
| Chemical Reduction | <99.91% Tested on 800 gallons |











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