Gravity Water Filters for Berkey Water Filter Replacement, Replacement for BB9-2® Black Filter & for PF-2® Fluoride Filters Combo Packs, Compatible with Berkey® Gravity Water Filter System, (NSF 42) Combo Water Filter 4 Pack

• [High-efficiency Filtration]:Replacement for Berkey Water Filter Effectively Reduce Fluoride and Arsenic, Absorb Odor, Color, Residual Chlorine, Heavy Metals, They Also Reduce Sediments and Large Particles Effective in Improving Taste
• [Black Purification Elements]: Replacement for BB9-2 Black Filters with Adopt High-Quality Natural Coconut Shell Activated Carbon. Strictly Control Filtration Materials and Produce Them With Lead-Free, BPA-free Materials to Ensure Excellent Filtration Performance and User Safety
• [Fluoride and Arsenic Filter]:The Filter for PF-2 White Fluoride Replacement is Made of Natural Mineral Synthesis Material Carbonate Apatite As The Filter Medium. Efficient Absorption of 99% Residual Chlorine and Fluoride
• [Compatible with Berkey]: for Berkey Water Filters Replacement, The Same Powerful Purification Capability as The Original Brand, Compatible with Berkey Big, Travel, Royal, Imperial, Crown, Light Series Gravity Filtration System
• [Durable Life Span]: Replacements for Berkey Water Filter, to Achieve Optimum Performance, we Recommend you Replace the Black Filter Every 6000 Gallons Per Pair and Replace Fluoride Filter White Fluoride Filter Every 1000 Gallons Per Pair, Which Will Vary Based on Water Conditions
• Virego - Risk-free shopping brand, one of the most trusted brands on Amazon. Your problem will be solved within 12 hours - Any problem with the product can be directly refunded in full or replaced with a new product!
• Note that! TDS level does not fully indicate the quality of the water and our filters does not lower TDS value