flanders 16x20x1

Filter King 20x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 7.5 x .75"

Filtrete 20x25x1 2pk Allergen Defense Air Filter 1000 MPR: MERV 11, Electrostatic, Captures Dust & Pollen, Furnace Compatible

Filterbuy 20x22x1 Air Filter (2-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.50 x 21.50 x 0.75)

Pamlico Air 16 in. W X 20 in. H X 2 in. D Fiberglass 2 MERV Air Filter (Pack of 12)

Pamlico Air 18 in. W X 20 in. H X 1 in. D Pleated 8 MERV Pleated Air Filter - Case of 12

Filterbuy 20x34x1 Air Filter (5-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.50 x 33.50 x 0.75)

Filterbuy 20x21x1 Air Filter (5-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.50 x 20.50 x 0.75)

Filter King 20x27x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 27 x .75"

Filterbuy 20x24x1 Air Filter (5-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.38 x 23.38 x 0.75)

Filterbuy 20x32x1 Air Filter (2-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 20.00 x 32.00 x 0.75)

Filter King 20x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 40 x .75"

Filterbuy 20x21.5x1 Air Filter (3-Pack), Pleated MERV 8 Odor Eliminator Replacement HVAC AC Furnace Filters (Actual Size: 19.88 x 21.50 x 0.75)

Filterbuy 20x34x1 Air Filter (1-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.50 x 33.50 x 0.75)

NaturalAire 14 in. W X 20 in. H X 1 in. D Synthetic 10 MERV Pleated Microparticle Air Filter (Pack of 6)

Filter King 20x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 66 x .75"

Filter King 20x25x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x .75"

Filterbuy 20x27x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 20.00 x 27.00 x 0.75)

Filterbuy 20x30x1 Air Filter (3-Pack), Pleated MERV 8 Odor Eliminator Replacement HVAC AC Furnace Filters (Actual Size: 19.63 x 29.63 x 0.75)

NaturalAire 21 in. W X 20 in. H X 1 in. D 8 MERV Pleated Air Filter 1 pk (Case of 12)

Filterbuy 20x34x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.50 x 33.50 x 0.75)

Simply 20x25x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x24.75"x0.75") DUST, Pet, & Allergy Control

Filterbuy 20x24x1 Air Filter (3-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.38 x 23.38 x 0.75)

Filterbuy 20x21x1 Air Filter (3-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.50 x 20.50 x 0.75)

Filter King 20x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 45 x .75"