Purewell 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 Purewell System (4 Pack, K Series)

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Overview Material : Activated Carbon, Acrylonitrile Butadiene Styrene (ABS) External Testing Certification : NSF Product Benefits : Improves water quality with food-grade materials and long-lasting filtration Brand : Purewell UPC : 799086649936 About this item [Compatible Models] The Purewell 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 Purewell 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. Purewell is an independent brand. [Advanced 8-Stage Filtration] The Purewell 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 Purewell 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. [Long Lifespan and Replaceable] The two fluoride filters (white) and the two carbon filters (black) can effectively filter up to 1,000 gallons of water and 6,000 gallons of water (According to different water quality, the lifespan of the filter elements would be a little different). But for optimum performance, the filter elements should be replaced every 6 months. NOTICE: The filter element DOES NOT lower TDS value. [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. Show more