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air filter 18x20x1

1,000+ results for “air filter 18x20x1”

$106.95

Filterbuy 19x20x1 Air Filter (5-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.00 x 20.00 x 0.75)

4.7(9716)

Loved for: high quality

$71.97

Filterbuy 19x20x1 Air Filter (3-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.00 x 20.00 x 0.75)

4.7(9716)

Loved for: high quality

$56.97

Filterbuy 8x20x1 Air Filter (3-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters (Actual Size: 8.00 x 20.00 x 0.75)

$31.99

Filterbuy 16x20x1 Air Filter (1-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 15.50 x 19.50 x 0.75)

4.7(9716)

Loved for: high quality

$43.95

Filterbuy 14x20x1 Air Filter (5-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters (Actual Size: 13.50 x 19.50 x 0.75)

4.7(11711)

Loved for: great quality

$61.95

Filterbuy 12x20x1 Air Filter (5-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 11.50 x 19.50 x 0.75)

4.7(9716)

Loved for: high quality

$32.99

Filterbuy 20x20x1 Air Filter (1-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.50 x 19.50 x 0.75)

4.7(9716)

Loved for: high quality

$75.95

Filterbuy 13x20x1 Air Filter (5-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters (Actual Size: 12.88 x 19.88 x 0.75)

$57.95

Filterbuy 13x20x1 Air Filter (5-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 12.88 x 19.88 x 0.75)

$56.95

Filterbuy 10x20x1 Air Filter (5-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters (Actual Size: 9.50 x 19.50 x 0.75)

4.7(11711)

Loved for: great quality

$49.98

Filterbuy 14x20x1 Air Filter (2-Pack), Pleated MERV 8 Odor Eliminator Replacement HVAC AC Furnace Filters (Actual Size: 13.50 x 19.50 x 0.75)

$73.98

Filterbuy 8x20x1 Air Filter (3-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 8.00 x 20.00 x 0.75)

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$46.96

Filterbuy 13x20x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 12.88 x 19.88 x 0.75)

$47.95

Filterbuy 14x20x1 Air Filter (5-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 13.50 x 19.50 x 0.75)

4.7(9716)

Loved for: high quality

$190.92

Filterbuy 19x20x1 Air Filter (12-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.00 x 20.00 x 0.75)

4.7(11711)

Loved for: great quality

$57.99

Filterbuy 10x20x1 Air Filter (3-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 9.50 x 19.50 x 0.75)

4.7(9716)

Loved for: high quality

$159.96

Filterbuy 13x20x1 Air Filter (12-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters (Actual Size: 12.88 x 19.88 x 0.75)

$62.98

Filterbuy 15x20x1 Air Filter (2-Pack), Pleated MERV 8 Odor Eliminator Replacement HVAC AC Furnace Filters (Actual Size: 14.50 x 19.50 x 0.75)

$53.99($9.00/count)

Filtrete 6pk 20''x25''x1'' MPR 700 Merv 8 Dust Pollen and Pet Dander Air Filter

4.7(107)

Loved for: effective filtration

$47.49($7.92/count)

Filtrete 6pk 20''x30''x1'' MPR 700 Merv 8 Dust Pollen and Pet Dander Air Filter

4.7(107)

Loved for: easy installation

$52.99($8.83/count)

Filtrete 6pk 20''x20''x1'' MPR 700 Merv 8 Dust Pollen and Pet Dander Air Filter

4.7(108)

Loved for: effective filtration

$79.99($13.33/count)

Filtrete 6pk 20''x30''x1'' MPR 1000 Merv 11 Allergen Defense Air Filter

4.7(511)

$34.99

Filtrete 20" x 25" x 4" Allergen Bacteria and Virus Air Filter 1550 MPR: MERV 12 Electrostatic for Home Furnaces

4.7(446)

$9.99

Filtrete 20" x 20" MPR 700 Dust Pollen and Pet Dander Electrostatic Air Filter: MERV 8, Furnace & AC, 3-Month Use

4.5(38)

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