Nominal Size: 12x20x1; Actual Size: 11 1/2" x 19 1/2" x 3/4" | Comparable to MPR 1000 to 1200 Micro Allergen Defense and Honeywell Allergen Plus FPR 7 | Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, and smoke. | Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months | 100% synthetic electrostatic media for high efficiency with low air flow resistance
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Item# : SPM18475078404
Model # : RNAB01CR9JEVC