Accessories for your Berkey Light.
    PF-2™ reduction elements are designed for use in conjunction with Black Berkey® water
    purification elements to adsorb the following unwanted elements found in drinking water.

    • Fluoride
    • Arsenic V and pre-oxidized Arsenic III
    • Other residual heavy metal ions

    TECHNICAL INFORMATION:

    FLUORIDE: Testing for fluoride was based on 20-30ppm of the ion in the influent aqueous solution at a
    flow rate of no more than 3 gpm per cubic foot of media. Results of < 1ppm of the fluoride ion in the
    effluent were typical for the media (>95% reduction). Under optimum conditions, effluent concentrations
    of less than 50 ppb were readily achieved (>99.75% reduction).

    ARSENIC: This product uniquely targets the entire family of arsenic oxide anions as well as the arsenic
    cations.

    REPLACEMENT:
    Under normal conditions it is recommended that each set of two PF-2™ elements be replaced after
    1,000 gallons The Royal Berkey® system is about 3.25 gallons therefore the PF-2™ filters should be
    replaced after 1,000/3.25 or 307 refills. If the system is refilled about one time per day, the PF-2™'s
    should be replaced after 10 months, if the system is refilled about twice per day, the PF-2™'s should be
    replaced about every five months). Actual capacity is dependent on the presence of other competing
    contaminants in the source water. High levels of Fluoride, arsenic and heavy metals may reduce the
    capacity and efficiency of the elements.

    NOTES:

    1) Do not boil this element.

    2) PF-2™ elements reduce filtration flow rate by 15-20%.

    3) The media used in the PF-2™ filter elements contains high-grade activated aluminum oxide, which
    currently is the most efficient media available for extracting fluoride from water. Below are the results we
    obtained when testing the PF-2™ elements (the water was not pre-filtered through the Black Berkey®
    elements). The reduction over time is due to additional residual process dust being washed free from
    the PF-2™ elements as the system is used. To give a scale for comparison purposes we include test
    results from a national brand toothpaste and water boiled in an aluminum pan.

    • National brand toothpaste 52.878 ppm aluminum
    • Water boiled in an aluminum pan for five minutes: 2.791 ppm aluminum
    PF2™ after conditioning (5 cycles): .178 ppm aluminum
    PF2™ after 10 Cycles: .037 ppm aluminum
    PF2™ after 20 Cycles: .029 ppm aluminum

    While the above results indicate that the residual process dust adds a minute amount of aluminum to
    the water, the Black Berkey® purification elements reduce aluminum from the water. We tested water
    that naturally contained .320ppm aluminum and filtered it through the combination of the Black
    Berkey® and the post conditioned PF-2™ filtration elements (5 cycles). The results showed a net
    reduction in aluminum contamination (Raw influent: .320ppm - Effluent after passing through the Black
    Berkey® and PF-2™ elements: .232ppm). In other words the Black Berkey® elements removed more
    aluminum from the water than was added by the PF-2™ elements.
Berkey® PF-2™ Fluoride and Arsenic Reduction Elements
(click picture to enlarge it)
PF-2™ Arsenic & Fluoride
Reduction Elements (pair)
(PF-2™ Installed in Berkey Light™)
(PF-2™ Installed in Berkey Light™)
Berkey® PF-2™ ELEMENTS (Set of Two): $55.00
SIZE: Length 6", width 2.5"
COLOR: WHITE REPLACEMENT:
1,000 gallon capacity per set.
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