View 2 of (2-Pack) 410 Replacement Filter Compatible with April-Aire Whole House Air Purifier 4400, 3413, 2416, 2413, 1610, 1413 MERV 10, Actual Size: 16.75" x 27.75" x 4", Nominal Size: 16''x28''x4''

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View 1 of (2-Pack) 410 Replacement Filter Compatible with April-Aire Whole House Air Purifier 4400, 3413, 2416, 2413, 1610, 1413 MERV 10, Actual Size: 16.75" x 27.75" x 4", Nominal Size: 16''x28''x4''View 2 of (2-Pack) 410 Replacement Filter Compatible with April-Aire Whole House Air Purifier 4400, 3413, 2416, 2413, 1610, 1413 MERV 10, Actual Size: 16.75" x 27.75" x 4", Nominal Size: 16''x28''x4''