Aerostar Pleated Air Filter 6-Pack Bundle - Includes 14x14x1 MERV 11 (Actual 13 3/4" x 13 3/4" x 3/4") and 16x20x1 MERV 13 (Actual 15 3/4" x 19 3/4" x 3/4")

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Nominal size: 14x14x1; Actual size: 13 3/4"x13 3/4"x3/4"; This MERV 11 filter is comparable with MPR 1000-1200 & 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
Nominal size: 16x20x1; Actual size 15 3/4"x 19 3/4" x 3/4"; This MERV 13 filter is comparable with MPR 1500-1900 & FPR 10
Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, smoke, viruses, and bacteria