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Filterbuy 18x30x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 17.75 x 29.75 x 0.75)

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NaturalAire 21-1/2 in. W X 23-1/2 in. H X 1 in. D Synthetic 8 MERV Pleated Air Filter (Pack of 12)

Filterbuy 18x36x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 17.50 x 35.50 x 0.75)

Filterbuy 20x25x4 Air Filter (4-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.50 x 24.50 x 3.63)

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Mann+Hummel 16x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 2 Pack. (Exact Size: 15.5 x 24.5 x 3.75 Inches)

Simply 17.25x29.25x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 17.25x29.25"x0.75") DUST, Pet, & Allergy Control

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Filterbuy 18x24x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 17.38 x 23.38 x 0.75)

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Mann+Hummel 20x30x2 MERV 8 Pleated HVAC AC Furnace Air Filters. 3 Pack. (Exact Size: 19.75 x 29.75 x 1.75 Inches)