{"product_id":"berkey-pf-2-fluoride-arsenic-reduction-elements-set-of-2","title":"Berkey PF-2 Fluoride \u0026 Arsenic Reduction Elements - Set of 2","description":"\u003cp\u003eAdd a reduction stage beneath compatible Black Berkey filters with two PF-2 elements, following their priming, installation and separate replacement schedule.\u003c\/p\u003e\u003cp\u003eThe manufacturer specifies purging each element from both ends with cold water and limiting installation to no more than eight rotations. PF-2 elements add a separate stage beneath the main filters, which affects flow. Keep those preparation steps and the replacement interval with your system’s maintenance plan.\u003c\/p\u003e\u003ch3\u003eKey details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack quantity:\u003c\/strong\u003e 2 PF-2 elements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Beneath compatible Black Berkey elements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement interval:\u003c\/strong\u003e Pair: after 1,000 gallons or 1 year, whichever comes first, under normal conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUse and care\u003c\/h3\u003e\u003cp\u003eThey do not replace the main Black Berkey elements or supply a complete water system. Purge and install the elements as instructed before use. Under normal conditions, the pair is replaced after 1,000 gallons or one year, whichever comes first; water quality can shorten that interval and the added stage reduces flow.\u003c\/p\u003e\u003ch2\u003eWhat’s included\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eBerkey PF-2 reduction elements\u003c\/strong\u003e — Set of 2; main filters and system sold separately\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003ePack quantity\u003c\/dt\u003e\n\u003cdd\u003e2 PF-2 elements\u003c\/dd\u003e\n\u003cdt\u003eFilter role\u003c\/dt\u003e\n\u003cdd\u003eFluoride and arsenic reduction add-on\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBeneath compatible Black Berkey elements\u003c\/dd\u003e\n\u003cdt\u003eHousing\u003c\/dt\u003e\n\u003cdd\u003eBPA-free polypropylene\u003c\/dd\u003e\n\u003cdt\u003eReplacement interval\u003c\/dt\u003e\n\u003cdd\u003ePair: after 1,000 gallons or 1 year, whichever comes first, under normal conditions\u003c\/dd\u003e\n\u003c\/dl\u003e\u003ch2\u003eSetup, use and care\u003c\/h2\u003e\u003cp\u003ePurge both ends of each element with cold water as shown in the manufacturer’s instructions. Install beneath already-primed Black Berkey elements; do not exceed eight rotations. Discard the first filtered batch after installation.\u003c\/p\u003e\u003cp\u003eDo not boil the elements. Remove PF-2 elements before running a red-food-color test on the main filters. Water quality and pH affect performance and service life.\u003c\/p\u003e\u003ch2\u003eProduct questions\u003c\/h2\u003e\u003ch3\u003eAre these the main Berkey filters?\u003c\/h3\u003e\u003cp\u003eNo. These are add-on reduction elements that attach below compatible Black Berkey filters. The main filters and water system are sold separately.\u003c\/p\u003e\u003ch3\u003eHow many do I need?\u003c\/h3\u003e\u003cp\u003eUse one PF-2 for each installed Black Berkey element. This listing contains two PF-2 elements.\u003c\/p\u003e\u003ch3\u003eWhen should the pair be replaced?\u003c\/h3\u003e\u003cp\u003eUnder normal conditions, replace the pair after 1,000 gallons or one year, whichever comes first. High contaminant levels can shorten usable life.\u003c\/p\u003e\u003ch3\u003eDo they need preparation before installation?\u003c\/h3\u003e\u003cp\u003eYes. Purge each element from both ends with cold water, then follow the installation guide. Do not over-tighten or exceed eight rotations.\u003c\/p\u003e\u003ch3\u003eWill these slow the flow?\u003c\/h3\u003e\u003cp\u003eThe manufacturer says PF-2 elements reduce flow by approximately 15–20%. Flow can slow further as the lower chamber fills.\u003c\/p\u003e\u003ch2\u003eManuals and product documents\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/support.berkeywater.com\/wp-content\/uploads\/2025\/02\/Berkey-PF-2-Elements-Instructions-EN-V1-2025-8x11-1.pdf\"\u003eBerkey PF-2 installation and care (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Berkey","offers":[{"title":"Set of 2","offer_id":67657461760292,"sku":"BAS-001","price":75.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1029\/5843\/2548\/files\/sa-72hours-berkey-7-0-oct09.jpg?v=1791567098","url":"https:\/\/patriotreserve.com\/products\/berkey-pf-2-fluoride-arsenic-reduction-elements-set-of-2","provider":"Patriot Reserve","version":"1.0","type":"link"}