NSF/ANSI 42 Certified Black Purification Elements, 2-Pack Replacement for BB9-2® for Berkey Gravity System, High-Efficiency for Berkey Black Filters, Reduces Contaminants

?Premium Black Purification Elements?The water filter for BB9-2 replacement uses high-quality natural coconut shell activated carbon. We carefully select filtration materials and use lead-free, BPA-free materials to ensure excellent filtration performance and user safety for Berkey water filter and Berkey filters.

?High-Efficiency Filtration?Replacement for BB9-2 water filters effectively reduce fluoride and arsenic, absorb odor, color, residual chlorine, heavy metals. They also reduce sediments and large particles effective in improving taste for Berkey fluoride filters and Berkey filter water systems.

?Compatible with Berkey Systems?Replacement for BB9-2 black water filter, compatible with Big, Travel, Royal, Imperial, Crown, Light series gravity filtration system. It has the same powerful purification capacity as the original brand for Berkey water filter system and Big Berkey water filter system users.

?Long-Lasting Durability?For best performance, we recommend replacing the black filter every 6000 gallons per pair, depending on water conditions. Please note that TDS level does not fully indicate water quality and our filters do not reduce TDS value for Berkey water filter replacement kits.

?Universal Fit ?Aquavico is a risk-free shopping brand. Your issues will be resolved within 12 hours.Compatible with Boroux water filter, Burke water filter system, Phoenix gravity water filter replacement, and Berkley water filter system.