Photo 1 of Compatible with Austin Air Healthmate HM400 Air Purifier Filter Replacement. Fits Models HM400, HM402, HM405, HM410, HM450. Package includes 1 Filter + 4 Pre-Filters

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Photo 1 of Compatible with Austin Air Healthmate HM400 Air Purifier Filter Replacement. Fits Models HM400, HM402, HM405, HM410, HM450. Package includes 1 Filter + 4 Pre-FiltersPhoto 2 of Compatible with Austin Air Healthmate HM400 Air Purifier Filter Replacement. Fits Models HM400, HM402, HM405, HM410, HM450. Package includes 1 Filter + 4 Pre-FiltersPhoto 3 of Compatible with Austin Air Healthmate HM400 Air Purifier Filter Replacement. Fits Models HM400, HM402, HM405, HM410, HM450. Package includes 1 Filter + 4 Pre-Filters