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Filtrete 20-in W x 30-in L x 1-in MERV 12 1500 Smart Allergen, Bacteria and Virus Electrostatic Pleated Air Filter at Lowes.com
Amazon Basics Merv 11 AC Furnace Air Filter, 20'' x 30'' x 1'', 6-Pack: Amazon.com: Tools & Home Improvement
Buy 20 x 30 x 1" Air Filter | AirFilters.com
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HDX 20 in. x 30 in. x 1 in. Elite Allergen Pleated Air Filter FPR 12, MERV 13 61201.012030 - The Home Depot
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Filterbuy 20 x 30 x 1 Air Filter MERV 11, Pleated HVAC AC Furnace Filters Replacement | Wayfair
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20x30x1 Tier1 Air Filter Replacement MERV 11 - (6-Pack)
Pamlico Air 20x30x1 MERV 8 Pleated HVAC AC Furnace 1 Air Filters by Pamlico. Case of 12. Exact Size: 19-1/2 x 29-1/2 x 3/4 White 20 x 30 x 1 21208-012030 0 - Amazon.com
PRO-SOURCE - Pleated Air Filter: 20 x 30 x 1″, MERV 8, 35% Efficiency, Wire-Backed Pleated - 80161037 - MSC Industrial Supply
Filtrete 20 In. x 30 In. x 1 In.Basic MPR Flat Panel Furnace Filter, MERV 2 (2-Pack) - Bliffert Lumber and Hardware
