18x20x1 Air Filter

Enhance your indoor air quality with our reliable 18x20x1 air filters designed for optimal performance

Product List

Filter King 18x20x1 MERV 8 Air Filters - 3 Pack

18x20x1 MERV 8 Filters - 3 Pack

Filter King

Product Review Score

4.22 out of 5 stars

129 reviews

$33.99 $29.99

Glasfloss GDS Fiberglass Air Filters, Box of 6

Glasfloss GDS Air Filters - 6 Pack

Glasfloss

Product Review Score

4.18 out of 5 stars

42 reviews

$40.85

18x20x1 MERV 13 Pleated Air Filter (1-Pack)

MERV 13 Pleated Air Filter

Filterbuy

Product Review Score

4.51 out of 5 stars

144 reviews

$32.15

AIRx MERV 11 Pleated Filters 4-Pack 18x20x1

AIRx MERV 11 Filters 4-Pack

Airx Filters

Product Review Score

4.22 out of 5 stars

107 reviews

$44.24

18x20x1 MERV 13 Pleated Air Filters - 6 Pack

18x20x1 MERV 13 Filters - 6 Pack

Filter King

Product Review Score

4.99 out of 5 stars

139 reviews

$58.35 $49.94

18x20x1 MERV 8 Air Filter, 8 Pack

18x20x1 MERV 8 Filters - 8 Pack

Simply

Product Review Score

4.23 out of 5 stars

220 reviews

$49.97

18x20x1 MERV 8 Air Filters - 6 Pack

18x20x1 MERV 8 Filters – 6 Pack

Filterbuy

Product Review Score

4.85 out of 5 stars

90 reviews

$59.28

BNX TruFilter 18x20x1 MERV 8 Air Filters (6-Pack)

BNX TruFilter MERV 8 Air Filters

Bnx

Product Review Score

4.61 out of 5 stars

195 reviews

$49.99

MERV 13 18x20x1 Air Filter 6-Pack for Allergies

MERV 13 Air Filter 6-Pack

Simply

Product Review Score

4.9 out of 5 stars

184 reviews

$59.97 $50.95

Color Changing 18x20x1 Air Filters for Pets

Pet-Friendly Color Changing Filters

Product Review Score

4.76 out of 5 stars

121 reviews

$37.99

Aerostar MERV 13 Pleated Air Filters 6-Pack

MERV 13 Air Filters 6-Pack

Aerostar

Product Review Score

4.21 out of 5 stars

114 reviews

$56.15 $49.98

Filterbuy 18x20x1 MERV 8 Air Filters (3-Pack)

18x20x1 MERV 8 Filters (3-Pack)

Filterbuy

Product Review Score

4.68 out of 5 stars

150 reviews

$35.52