12x20 Furnace Filters - 421 items

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12x20 furnace filters - 1

Nordic Pure 12x20x1 MERV 12 Pleated AC Furnace Air Filters 6 Pack

        $45.88
12x20 furnace filters - 2

Filtrete 12x20x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (exact dimensions 11.81 x 19.81 x 0.81)

        $26.16
12x20 furnace filters - 3

Filterbuy 12x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 0.75 Inches)

        $30.44
12x20 furnace filters - 4

Flanders/Precisionaire 12x20x1 Fiberglass Furnace Filters (Pack of 12)

        $41.27
12x20 furnace filters - 5

Crisp Filters, 12x20x1 Air Filter, MERV 8, MPR 600, AC Furnace Air Filter, 6-Pack (CF-12x20x1-M8pk6)

        $32.76
12x20 furnace filters - 6

Filterbuy 12x20x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 0.75 Inches)

        $42.3
12x20 furnace filters - 7

Filtrete 12x20x1, AC Furnace Air Filter, MPR 1500, Healthy Living Ultra Allergen, 2-Pack (exact dimensions 11.81 x 19.81 x 0.78)

        $38.99
12x20 furnace filters - 8

K&N 12x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office , HVC-11220

        $29.99
12x20 furnace filters - 9

Filterbuy 12x20x1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 11.50 x 19.50 x 0.75 Inches)

        $24.62

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