PF-2 Fluoride Replacement Elements (Set of 4) for Black Berkey Filters

PF-2 Fluoride and Arsenic Reduction Filters

The PF-2 reduction elements screw onto the bottom of the Black Berkey water purification elements and work in conjunction 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 (11 lpm) 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.  Example: 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.