Photo 1 of Aprilaire 20 x 25 x 4 -Air Cleaner Filter MERV 13 for Whole-House Air Purifier Models 1210,1620,2210,2216, and 4200

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Photo 1 of Aprilaire 20 x 25 x 4 -Air Cleaner Filter MERV 13 for Whole-House Air Purifier Models 1210,1620,2210,2216, and 4200Photo 2 of Aprilaire 20 x 25 x 4 -Air Cleaner Filter MERV 13 for Whole-House Air Purifier Models 1210,1620,2210,2216, and 4200Photo 3 of Aprilaire 20 x 25 x 4 -Air Cleaner Filter MERV 13 for Whole-House Air Purifier Models 1210,1620,2210,2216, and 4200Photo 4 of Aprilaire 20 x 25 x 4 -Air Cleaner Filter MERV 13 for Whole-House Air Purifier Models 1210,1620,2210,2216, and 4200