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18x20x1 air filter

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

$55.95

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)

$52.95

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(11858)

Loved for: high quality

$50.98

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)

$68.97

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)

$49.96

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)

$54.95

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(9805)

$141.96

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(11858)

Loved for: high quality

$49.98

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(9805)

Loved for: high quality filters

$117.96

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)

$59.98

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

Sponsored

$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(447)

$9.99

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

4.4(40)

$9.99

Filtrete 20" x 25" MPR 700 Dust Pollen and Pet Dander Electrostatic Air Filter: MERV 8, Furnace & AC Filter, 3-Month Use

4.8(138)

$10.99

Filtrete 16" x 20" MPR 700 Dust Pollen & Pet Dander Electrostatic Air Filter: MERV 8, Furnace & AC Filter, 3-Month Use

4.7(139)

Loved for: effective filtration

$9.99

Filtrete 14" x 20" MPR 700 Dust Pollen & Pet Dander Electrostatic Air Filter: MERV 8, Furnace & AC Compatible

4.8(12)

$33.49

Filtrete 20" x 20" x 4" Allergen Bacteria and Virus Deep Pleat Air Filter 1550 MPR: MERV 12, Electrostatic, 12-Month Use

4.7(245)

Loved for: Effective Dust Reduction

$35.49

Filtrete 20" x 25" x 4" Slim Fit Allergen Bacteria and Virus Deep Pleat Air Filter 1550 MPR: MERV 12, Electrostatic, Furnace Filter

4.7(237)

$115.96

Filterbuy 18x20x4 Air Filter (4-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 17.50 x 19.50 x 3.63)

4.5(3290)

Loved for: quality construction

$47.98

Filterbuy 18x20x2 Air Filter (2-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 17.50 x 19.50 x 1.75)

4.6(2083)

Loved for: high quality filters

$189.96

Filterbuy 18x20x4 Air Filter (6-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters (Actual Size: 17.50 x 19.50 x 3.63)

4.4(3283)

Loved for: affordable pricing

Sponsored

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Highly rated
$21.99($11.00/count)
$16.49 with Target Circle
Filtrete 16"x25"x1" 2pk Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter
4.7 out of 5 stars with 689 ratings
$13.49
$10.12 with Target Circle
Filtrete 14"x14"x1" Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter
4.7 out of 5 stars with 571 ratings
$29.49($14.75/count)
$22.12 with Target Circle
Filtrete 16"x25"x1" 2pk Allergens Bacteria & Viruses MPR 1500 MERV 12 Electrostatic Pleated HVAC Furnace Air Filter
4.8 out of 5 stars with 578 ratings
$13.89
$10.42 with Target Circle
Filtrete 20"x20"x1" Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter
4.7 out of 5 stars with 616 ratings
$21.99($11.00/count)
$16.49 with Target Circle
Filtrete 16"x20"x1" 2pk Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter
4.7 out of 5 stars with 647 ratings
$13.89
$10.42 with Target Circle
Filtrete 12"x12"x1" Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter
4.7 out of 5 stars with 562 ratings
Highly rated
$13.89
$10.42 with Target Circle
Filtrete 16"x20"x1" Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter
4.7 out of 5 stars with 586 ratings
$34.99
$26.24 with Target Circle
Filtrete 20" x 25" x 4" Allergen Bacteria and Virus Air Filter 1550 MPR: MERV 12 Electrostatic for Home Furnaces
4.7 out of 5 stars with 447 ratings
$29.49($14.75/count)
$22.12 with Target Circle
Filtrete 20"x20"x1" 2pk Allergens Bacteria & Viruses MPR 1500 MERV 12 Electrostatic Pleated HVAC Furnace Air Filter
4.8 out of 5 stars with 542 ratings
$29.49($14.75/count)
$22.12 with Target Circle
Filtrete 20"x25"x1" 2pk Allergens Bacteria & Viruses MPR 1500 MERV 12 Electrostatic Pleated HVAC Furnace Air Filter
4.8 out of 5 stars with 549 ratings
Highly rated
$20.99
$15.74 with Target Circle
Filtrete 20"x20"x1" Allergens Bacteria Viruses & Air Pollutants MPR 1900 MERV 13 Electrostatic Pleated HVAC Furnace Air Filter
4.8 out of 5 stars with 704 ratings
$13.89
$10.42 with Target Circle
Filtrete 16"x25"x1" Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter
4.7 out of 5 stars with 602 ratings
$9.99
$7.49 with Target Circle
Filtrete 16" x 25" MPR 700 Dust Pollen and Pet Dander Electrostatic Air Filter: MERV 8 Furnace & AC Filter
4.7 out of 5 stars with 139 ratings
$13.89
$10.42 with Target Circle
Filtrete 12x24x1 Allergen Defense Air Filter 1000 MPR: MERV 11 Electrostatic Furnace & AC Filter, Captures Dust & Pollen
4.7 out of 5 stars with 555 ratings
Highly rated
$13.89
$10.42 with Target Circle
Filtrete 24"x24"x1" Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter
4.7 out of 5 stars with 541 ratings
$18.49
$13.87 with Target Circle
Filtrete 16"x25"x1" Allergens Bacteria & Viruses MPR 1500 MERV 12 Electrostatic Pleated HVAC Furnace Air Filter
4.8 out of 5 stars with 577 ratings
Highly rated
$34.99
$26.24 with Target Circle
Filtrete 16" x 25" x 4" Allergen Bacteria and Virus Deep Pleat Air Filter 1550 MPR: MERV 12 Electrostatic Furnace Filter
4.7 out of 5 stars with 322 ratings
Highly rated
$13.89
$10.42 with Target Circle
Filtrete 20"x25"x1" Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter
4.7 out of 5 stars with 590 ratings
$29.49($14.75/count)
$22.12 with Target Circle
Filtrete 16"x20"x1" 2pk Allergens Bacteria & Viruses MPR 1500 MERV 12 Electrostatic Pleated HVAC Furnace Air Filter
4.8 out of 5 stars with 550 ratings
$13.89
$10.42 with Target Circle
Filtrete 14"x25"x1" Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter
4.7 out of 5 stars with 573 ratings
$19.29
$14.47 with Target Circle
Filtrete 16"x20"x1" Allergens Bacteria & Viruses MPR 1500 MERV 12 Electrostatic Pleated HVAC Furnace Air Filter
4.8 out of 5 stars with 578 ratings
$18.49
$13.87 with Target Circle
Filtrete 20"x20"x1" Allergens Bacteria & Viruses MPR 1500 MERV 12 Electrostatic Pleated HVAC Furnace Air Filter
4.8 out of 5 stars with 570 ratings
$14.99
$11.24 with Target Circle
Filtrete 20"x30"x1" Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter
4.7 out of 5 stars with 544 ratings
$13.89
$10.42 with Target Circle
Filtrete 14x24x1 Allergen Defense Air Filter 1000 MPR: MERV 11 Electrostatic Furnace Filter, Captures Dust & Pollen
4.7 out of 5 stars with 550 ratings

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