
Post - Stage Filters, Stage 3 - HEPA H13 Medical Grade Filter (0.3 um 99.95%). Pack of 2, replace every 6 months. 1 year usage.
Post - Stage Filters, Stage 3 - HEPA H13 Medical Grade Filter (0.3 um 99.95%). Pack of 2, replace every 6 months. 1 year usage.