14x30x1 Nominal Filter Size, Polyester-Coated Fiberglass, Non-Pleated Air Filter - 491H72|491H72 - Grainger
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Amazon.com: 14x30x1 Air Filter Comparable to MPR 100 Basic Economy Furnace Filters, 12 Pack of Non Pleated Fiberglass Filter For Dust - Low Airflow Restriction! From AIRX FILTERS WICKED CLEAN AIR. : Everything Else
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14x30x1 Air Filter Comparable to MPR 100 Basic Economy Furnace Filters, 12 Pack of Non Pleated Fiberglass Filter For Dust - Low Airflow Restriction! From AIRX FILTERS WICKED CLEAN AIR. - Walmart.com
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14x30x1 Glasfloss Fiberglass Air Filter, Double Strut, GDS Series, Made in USA, Actual Size: 13 5/8 x 29 5/8 x 3/4 (Box of 6) - Amazon.com
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