Nordic Pure 20x20x5HM13-1 20x20x5, MERV 13, Honeywell Replacement Air Filter, Box of 1, 5-Inch Actual Size of Air Filter: 19 5/8 x 19 7/8 x 4 3/8 (19.63 x 19.88 x 4.38) inches All Nordic Pure air filters are electrostatically charged for maximum performance Attracts and captures dust, lint, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, smog, viruses, coughs and sneezes Replacement air filter for Honeywell FC100A1011 and FC200E1019 Made in the USA