Photo 1 of Purewell PF-2 Ceramic Purification Elements, Replacement Filters for ProOne® and Berkey® Filters, ProOne® or Berkey® Big+ Countertop Gravity Water Filter System and Purewell System (2 Pack, K Series)

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Photo 1 of Purewell PF-2 Ceramic Purification Elements, Replacement Filters for ProOne® and Berkey® Filters, ProOne® or Berkey® Big+ Countertop Gravity Water Filter System and Purewell System (2 Pack, K Series)Photo 2 of Purewell PF-2 Ceramic Purification Elements, Replacement Filters for ProOne® and Berkey® Filters, ProOne® or Berkey® Big+ Countertop Gravity Water Filter System and Purewell System (2 Pack, K Series)