14x30x1 Nominal Filter Size, Polyester-Coated Fiberglass, Non-Pleated Air Filter - 491H72|491H72 - Grainger
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Filterbuy 14x30x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 13.69 x 29.69 x 0.75 Inches) - Replacement Furnace Filters - Amazon.com
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Filtrete 14x30x1 Air Filter MPR 300 MERV 5, Clean Living Basic Dust Furnace Filter, 6-Pack (exact dimensions 13.81x29.81x0.81) - - Amazon.com
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