Photo 1 of Alen 45i & Flex Replacement Air Filter, Pure Filter, B4-Pure H13 True HEPA Filter for BreatheSmart 45i & Flex Air Purifier - Captures Dust

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Photo 1 of Alen 45i & Flex Replacement Air Filter, Pure Filter, B4-Pure H13 True HEPA Filter for BreatheSmart 45i & Flex Air Purifier - Captures DustPhoto 2 of Alen 45i & Flex Replacement Air Filter, Pure Filter, B4-Pure H13 True HEPA Filter for BreatheSmart 45i & Flex Air Purifier - Captures Dust