Photo 1 of 2 Pack FLT5000 Filter C for Guardian Air Purifier, Filter Replacement Compatible with AC5000, AC5000E, AC5250PT, AC5350B, AC5350BCA, AC5350W, AC5300B Air Purifiers, 2 HEPA Filter & 6 Pre-Filters.

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Photo 1 of 2 Pack FLT5000 Filter C for Guardian Air Purifier, Filter Replacement Compatible with AC5000, AC5000E, AC5250PT, AC5350B, AC5350BCA, AC5350W, AC5300B Air Purifiers, 2 HEPA Filter & 6 Pre-Filters.Photo 2 of 2 Pack FLT5000 Filter C for Guardian Air Purifier, Filter Replacement Compatible with AC5000, AC5000E, AC5250PT, AC5350B, AC5350BCA, AC5350W, AC5300B Air Purifiers, 2 HEPA Filter & 6 Pre-Filters.