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18x20x1 air filter

Popular Filters

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

$38.99

Filterbuy 18x20x2 Air Filter (1-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters (Actual Size: 17.50 x 19.50 x 1.75)

4.6(20932)

$75.99($12.67/count)

Filtrete 20"x20"x1" 6pk Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter

4.7(511)

$45.96

Filterbuy 18x20x1 Air Filter (6-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters (Actual Size: 17.50 x 19.50 x 0.75)

4.6(20932)

Loved for: air quality improvement

$26.49

Filtrete Smart 16"x20"x1" Allergens Bacteria & Viruses MPR 1500 MERV 12 Electrostatic Pleated HVAC Furnace Air Filter

4.4(41)

$18.49

Filtrete Smart 20"x30"x1" Allergens Bacteria & Viruses MPR 1500 MERV 12 Electrostatic Pleated HVAC Furnace Air Filter

4.4(40)

$55.99

Filterbuy 18x20x4 Air Filter (1-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 17.50 x 19.50 x 3.63)

4.6(16805)

$16.99

Filtrete Smart 20"x20"x1" Allergens Bacteria & Viruses MPR 1500 MERV 12 Electrostatic Pleated HVAC Furnace Air Filter

4.3(40)

$29.49($14.75/count)

Filtrete 20"x30"x1" 2pk Allergens Bacteria & Viruses MPR 1500 MERV 12 Electrostatic Pleated HVAC Furnace Air Filter

4.8(526)

$19.29

Filtrete 18"x24"x1" Allergens Bacteria & Viruses MPR 1500 MERV 12 Electrostatic Pleated HVAC Furnace Air Filter

4.8(518)

Loved for: Effective Dust Reduction

$34.99 - $119.99

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

4.9(14)

Loved for: sturdy construction

$28.33 - $51.99

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

4.2(22)

$61.99($10.33/count)

Filtrete 14"x20"x1" 6pk Allergens Bacteria & Viruses MPR 1500 MERV 12 Electrostatic Pleated HVAC Furnace Air Filter

4.8(508)

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$23.49

Filtrete 14"x25"x1" Allergens Bacteria Viruses & Air Pollutants MPR 1900 MERV 13 Electrostatic Pleated HVAC Furnace Air Filter

4.8(657)

$9.99

Filtrete 14"x 24"x 1" MPR 700 Dust Pollen and Pet Dander Electrostatic Air Filter: MERV 8, Furnace & AC Compatible

5(3)

$49.95

Filterbuy 20x20x1 Air Filter (5-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.50 x 19.50 x 0.75)

4.6(16805)

$22.99

Filtrete 12"x24"x1" Allergens Bacteria Viruses & Air Pollutants MPR 1900 MERV 13 Electrostatic Pleated HVAC Furnace Air Filter

4.8(652)

$14.99

Filtrete 20"x36"x1" Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter

4.7(534)

Loved for: Effective Air Filtration

$39.97 - $109.97

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

4.6(607)

Loved for: great quality

$28.98

Filterbuy 20x20x1 Air Filter (3-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.50 x 19.50 x 0.75)

4.7(27774)

$26.99

Filtrete 14"x30"x1" Allergens Bacteria Viruses & Air Pollutants MPR 1900 MERV 13 Electrostatic Pleated HVAC Furnace Air Filter

4.8(644)

$66.97 - $117.24

Simply Air Filters, MERV 8, 12 Pack, Furnace Air Filter for HVAC

4.6(607)

$57.97 - $135.76

Simply Air Filters, MERV 13, 8 Pack, Furnace Air Filter for HVAC

4.6(607)

Loved for: quality filtration

$13.89

Filtrete 20"x22"x1" Allergens & Pet Dander MPR 1000 MERV 11 Electrostatic Captures Dust and Pollen HVAC Furnace Air Filter

4.7(523)

$33.96

Filterbuy 16x20x1 Air Filter (4-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 15.50 x 19.50 x 0.75)

4.7(27772)

Loved for: affordable pricing

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