Photo 1 of Purewell FL-2 5-Stage Fluoride Purification Elements, Replacement for Berkey® PF-2® Fluoride Filters, Berkey® and Purewell Gravity Filtration System,Natural filter material (White, 4 Pack, K Series)

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Photo 1 of Purewell FL-2 5-Stage Fluoride Purification Elements, Replacement for Berkey® PF-2® Fluoride Filters, Berkey® and Purewell Gravity Filtration System,Natural filter material (White, 4 Pack, K Series)Photo 2 of Purewell FL-2 5-Stage Fluoride Purification Elements, Replacement for Berkey® PF-2® Fluoride Filters, Berkey® and Purewell Gravity Filtration System,Natural filter material (White, 4 Pack, K Series)