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air filter 18x20x1

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

$42.49($21.25/count)

Buy 3, save 15% on select Filtrete air filters

Filtrete 2pk 1900 Ultimate Allergens, Bacteria and Virus 20X30: Electrostatic Furnace Filter, MERV 13, 20x30x1, 2 Count

5(3)

$9.99

Buy 3, save 15% on select Filtrete air filters

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

4.5(31)

$34.99 - $119.99

Lower price on select items

Air-Care Permanent Washable Electrostatic Air Filter EPA Registered Merv 8 Rating

4.9(13)

Loved for: value for money

$39.97 - $109.97

Simply Air Filter, MERV 11, 6 Pack, Furnace Air Filter for HVAC, Multiple Sizes

4.7(588)

Loved for: affordable pricing

$28.33 - $51.99

Aerostar AC Furnace Air Filter - Dust - MERV 8 - Box of 6

4.2(22)

$10.99

Buy 3, save 15% on select Filtrete air filters

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

4.7(135)

Loved for: easy installation

$41.99($21.00/count)

Buy 3, save 15% on select Filtrete air filters

Filtrete 2pk 1900 14X20 Ultimate Allergens, Bacteria and Virus: MERV 13 Electrostatic Furnace & AC Filter, 20x20x1

$39.96

Filterbuy 18x20x1 Air Filter (6-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 17.50 x 19.50 x 0.75)

4.8(334)

$26.77 - $44.95

Aerostar AC Furnace Air Filter - Dust - MERV 8 - Box of 4

4.2(40)

Loved for: snug fit

$12.19

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Filtrete Micro Allergen 14X18, Air Filter: MERV 11 Electrostatic Furnace Filter, Captures Dust & Pollen, 14x18x1 Size

4.7(569)

$59.99($30.00/count)

Buy 3, save 15% on select Filtrete air filters

Filtrete 16"25"x4" MPR 1550 Merv 12 Refillable Air Filter Kit 1 Frame and 2 Filters

4.8(138)

Loved for: Durable Frame

$32.98 - $49.94

Aerostar AC Furnace Air Filter - Allergy - MERV 11 - Box of 4

3.9(21)

Sponsored

$28.97 - $74.97

Simply Air Filter, MERV 8, 4 Pack, Furnace Air Filter for HVAC, Multiple Sizes

4.7(588)

Loved for: affordable pricing

$42.97 - $86.97

Simply Air Filters, MERV 8, 8 Pack, Furnace Air Filter for HVAC

4.7(588)

Loved for: affordable pricing

$39.57 - $99.74

Simply Air Filter, MERV 13, 4 Pack, Furnace Air Filter for HVAC, Multiple Sizes

4.7(588)

Loved for: affordable pricing

$43.97 - $79.91

Aerostar AC Furnace Air Filter - Health - MERV 13 - Box of 6

4.2(20)

$30.99

Filterbuy 18x20x1 Air Filter (1-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters (Actual Size: 17.50 x 19.50 x 0.75)

4.8(128)

Loved for: air quality improvement

$22.99

Buy 3, save 15% on select Filtrete air filters

Filtrete 20''x25''x1'' Premium Allergen Bacteria and Virus Air Filter 1900 MPR: MERV 13 Electrostatic for Home Furnaces

4.8(687)

$109.92

Filterbuy 18x20x1 Air Filter (12-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 17.50 x 19.50 x 0.75)

4.7(134)

$38.97

Simply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x19.75"x0.75") DUST, Pet, & Allergy Control

4.7(588)

Loved for: affordable pricing

$9.99

Buy 3, save 15% on select Filtrete air filters

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

4.7(11)

$69.99($35.00/count)

Buy 3, save 15% on select Filtrete air filters

Filtrete 20"25"x4" MPR 1550 Merv 12 Refillable Air Filter Kit 1 Frame and 2 Filters

4.8(138)

$31.99($16.00/count)

Buy 3, save 15% on select Filtrete air filters

Filtrete 2pk Ultimate Allergens 1900 16X20

5(4)

$34.99 - $67.99

Cabana Air Filters HVAC Furnace Air Filters

Cabana Air Filters

4.6(24)

Sponsored

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