British Berkefeld Doulton ATC Super Sterasyl Ceramic Candle 7"

British Berkefeld / Berkey / Doulton ATC Super Sterasyl 7" x 2" Ceramic Candle Water Filter

A Sterasyl microfilter plus granular activated carbon and lead removal media.

Filtration Rating (% particulate filtration efficiency):

- .09 Micron Absolute >99.99%
- .05 to .08 Micron Nominal >99.9%

Working Parameters

Suitable for use in Gravity Filters
Recommended change frequency 6 months / 400 gallons

Flow rate to achieve maximum performance

0.3 gallons per hour under gravity use

Turbidity reduction to NSF standard #53

>98%

Pathogenic Organisms (Bacteria Removal):

- E-Coli >99.99%
- Cholera >99.99%
- Shigella >99.99%
- Typhoid >99.99%
- Klebsiella Terrigenna >99.99%

Pathogenic Organisms (Cyst Removal):

- Cryptosporidium >99.99%
- Giardia >99.99%

Trace Organics removal:

- Herbicides (Atrazine @ 1.2 ppb presence)
- Phenols (TCP@ 1.2 ppb presence)
- Polyaromatic Hydrocarbons (PAH’s @ 0.2 ppb presence)
- Trihalomethanes (Chloroform @ 150ppb presence)

Inorganics Removal:

- Free Chlorine Removal (2 mg cl/l challenge) >95% under gravity
- Lead Removal (@ PH 6.5 after 2244L) >94% under gravity