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2. WHO MAKES BERKEY WATER FILTERS?
3. ABOUT BLACK BERKEY PURIFICATION FILTERS
HOW LONG DO THE BLACK FILTERS LAST?
4. WHAT ARE THE BERKEY PF-2™ ELEMENT, OR FLUORIDE AND ARSENIC REDUCTION ELEMENTS?
HOW OFTEN DO I HAVE TO CHANGE THE FLUORIDE PF2 FILTERS
5. HOW MUCH WATER WILL A BERKEY HOLD?
6. HOW DO I KNOW IF MY WATER IS SAFE?
7. WHAT ARE THE COMPARISONS TO OTHER FILTERS?
8. IS THERE INDEPENDENT SCIENCE TO VERIFY WHAT THE PRODUCT DOES?
9. WHAT KIND OF WARRANTY COMES WITH A BERKEY SYSTEM
10. ARE THERE COUPON OR DISCOUNTS?
11. DO BERKEY DO GIFT CARDS OR VOUCHERS?