8-Stage PF-3&FL-2 Purification Elements Set, Replacement Filters for ProOne® and Berkey® Filters, ProOne® Big+ or Berkey® Big+ Water Filter System and System (4 Pack, K Series)
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Material                          Activated Carbon, Acrylonitrile Butadiene Styrene (ABS)
Product Dimensions                5.9"D x 5.7"W x 9"H
External Testing Certification    NSF
Product Benefits                  Improves water quality with food-grade materials and long-lasting filtration
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About this item

• [Compatible Models] The Purification Elements Set can be replacement for ProOne Big+ or Big II Series and Berkey Travel, Big, Royal, Imperial, Light, Crown Berkey Series. It serves as the original filter for the gravity water filtration system. Thanks to its exquisite design, this filter achieves great fit and no leakage. The water filter is not sourced by or sponsored by Berkey or ProOne. is an independent brand.
• [Advanced 8-Stage Filtration] The Purification Elements Set is certified to NSF/ANSI 42, featuring a high-performance, 8-stage filtration technology. The Composite Filter (black) employs a 0.01μm hollow fiber UF membrane, a silver ion membrane and an activated carbon block to reduce rust, sediment, organic matter and heavy metals. The Fluoride Filter (white) uses a fluoride reduction membrane, an activated carbon block, and three sediment PP membranes to intercept fluoride and chlorine.
• [90% Fluoride Reduction] The Fluoride Filter is made from advanced fluoride removal material instead of the commonly used activated alumina, which may pose health risks. It effectively removes 90% of fluoride from water. Additionally, this filter meets NSF/ANSI 372 lead-free material standards, ensuring safe and reliable filtration for daily use without releasing harmful substances when soaked.
• [Risk-free Purchase] For optimal filtration, please follow the pre-filtration instructions in the manual before installing the filter. If you experience clogging, slow flow, unusual odors, or compatibility issues, please contact us immediately for a free, quick replacement service.
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