Photo 1 of 2Pack 413 Replacement Filter Compatible with Aprilaire Size: 16x25x4 MERV 13 Whole House Air Purifiers model:1410, 1610, 2410, 2416, 3410, 4400.Not fit for 1413 Upgrade Kit(Model 2140 or 2400)

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Photo 1 of 2Pack 413 Replacement Filter Compatible with Aprilaire Size: 16x25x4 MERV 13 Whole House Air Purifiers model:1410, 1610, 2410, 2416, 3410, 4400.Not fit for 1413 Upgrade Kit(Model 2140 or 2400)Photo 2 of 2Pack 413 Replacement Filter Compatible with Aprilaire Size: 16x25x4 MERV 13 Whole House Air Purifiers model:1410, 1610, 2410, 2416, 3410, 4400.Not fit for 1413 Upgrade Kit(Model 2140 or 2400)Photo 3 of 2Pack 413 Replacement Filter Compatible with Aprilaire Size: 16x25x4 MERV 13 Whole House Air Purifiers model:1410, 1610, 2410, 2416, 3410, 4400.Not fit for 1413 Upgrade Kit(Model 2140 or 2400)