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BNX TruFilter 20x20x1 Air Filter MERV 13 (6-Pack) - MADE IN USA - Electrostatic Pleated Air Conditioner
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Housmile 20x20x1 Air Filter, MERV 11, MPR 1000, Unique ABS White Plastic Frame, Durable and Easy to Replace, Clean Living Basic Dust, 6 Pack (Exact Size: 19.6" x 19.6" x 0.9") - Amazon.com
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