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Filtrete 10-in W x 20-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
10x20x1 Flanders EZ Flow Filters 10055.011020
10x20x1 Pleated Air Filter MERV 11 4-Pack | DiscountFilters.com
10x20x1 MERV 13 Pleated Air Filter - FilterBuy.com
10x20x1 Air Filter (6-PACK) | MERV 8 | MOAJ Advanced Dust Defense | BASED IN USA | Quality Pleated Replacement Air Filters for AC & Furnace Applications | Actual Dimensions: 9.70" x
LotFancy 10x20x1 Air Filters, MERV 8 AC Furnace Filters, 4 Pack MPR 600 Pleated Air Conditioner HVAC Filters - Amazon.com
10x20x1 Air Filters for AC & Furnace | Filter King