Photo 1 of **one filter has small dent* Blue Pure 311 auto Replacement Filter Compatible with Blue Pure 311 auto, Combination Particle + Carbon Replacement Filter. 3 Pack 311

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Photo 1 of **one filter has small dent* Blue Pure 311 auto Replacement Filter Compatible with Blue Pure 311 auto, Combination Particle + Carbon Replacement Filter. 3 Pack 311Photo 2 of **one filter has small dent* Blue Pure 311 auto Replacement Filter Compatible with Blue Pure 311 auto, Combination Particle + Carbon Replacement Filter. 3 Pack 311