Set of 4 replacement water filters for Berkey, 2 black carbon filters and 2 fluoride filters, compatible with the Berkey Gravity water filter system

Compatible Models: This standard replacement water filter is compatible with the Berkey gravity filter system. It can be replaced with the Berkey BB9-2 water filter, which is compatible with the Berkey gravity filter system, including the Travel, Big, Royal, Imperial, and Crown Series. The washer and wing nut are precision-engineered for a tight fit to prevent leaks. High-Efficiency Purification: The MACIFECI black water filter, designed to replace the Berkey water filter, offers the same high purification capacity as the original filter, reducing up to 99% of chlorine. It also reduces heavy metals. The upgraded K5366 white fluoride filter uses a natural mineral synthesis material, carbonate apatite, as its filter media. With 99% effective absorption of residual chlorine and reduced fluoride and arsenic levels, you can enjoy clean, healthy water at any time. Certification, Safe Materials: MACIFECI water filters for Berkey water filter replacement have passed NSF/ANSI 42 and 372 certification. The water filter uses a natural filter material and a superior perforated carbon sintering process. We rigorously control the filter material and adopt lead-free and BPA-free materials to produce the filter housing, ensuring excellent removal performance that will not leak contaminants into your water. Long Lifespan: High-efficiency filters for Berkey water filter replacement. To ensure your machine performs at its best, we recommend replacing the black carbon filter every 10,000 gallons per pair and the white fluoride filter every 1,000 gallons per pair (filter performance may vary depending on local water conditions). Note that you should submerge the carbon filter approximately once a week for the drip system to siphon properly. More information: This water filter item is not sourced from or sponsored by Berkey. You will receive two 2-9BB water filters, two 2-FP fluoride filters, and two beige rubber washers. Buy with confidence.