18x24x4 Air Filter

Keep your indoor air clean and fresh with our high-quality 18x24x4 air filters designed for optimal performance

Product List

BNX TruFilter 18x20x1 MERV 13 Air Filters (4-Pack)

BNX TruFilter MERV 13 (4-Pack)

Bnx

Product Review Score

4.75 out of 5 stars

183 reviews

$46.99

Handua 18x24" MERV 11 Air Filter 4-Pack

Handua MERV 11 Air Filters

Product Review Score

4.81 out of 5 stars

79 reviews

$40.22

18x24x1 MERV 8 Dust Defense Air Filters (6-Pack)

Dust Defense Air Filters 6-Pack

Filterbuy

Product Review Score

4.67 out of 5 stars

85 reviews

$51.18

Filtrete MERV 12 Air Filter 18x24x1, 2-Pack

Filtrete MERV 12 Filter 2-Pack

Filtrete

Product Review Score

4.23 out of 5 stars

61 reviews

$50.10

12x24x1 MERV 8 Air Filters (4-Pack)

12x24x1 MERV 8 Filters (4-Pack)

Filterbuy

Product Review Score

4.62 out of 5 stars

16 reviews

$42.07 $32.36

Glasfloss 18x24 MERV 10 Pleated Air Filters (2-Pack)

Glasfloss 18x24 MERV 10 Filters

Glasfloss

Product Review Score

4.37 out of 5 stars

124 reviews

$39.98 $36.98

18x24x4 MERV 8 Pleated Air Filters (4-Pack)

MERV 8 Air Filters 4-Pack

Filterbuy

Product Review Score

4.78 out of 5 stars

232 reviews

$87.76

Glasfloss MERV 10 4" AC Air Filters Box of 4

Glasfloss MERV 10 Air Filters

Glasfloss

Product Review Score

4.8 out of 5 stars

84 reviews

$59.98

18x24x4 MERV 8 Dust Defense Air Filters (3-Pack)

18x24x4 MERV 8 Filter Pack

Filterbuy

Product Review Score

4.63 out of 5 stars

162 reviews

$70.26

Glasfloss 18x24x4 MERV 10 Air Filters 3-Pack

Glasfloss MERV 10 Air Filters

Glasfloss

Product Review Score

4.28 out of 5 stars

193 reviews

$49.98

18x24x4 MERV 10 Pleated Air Filters - Box of 3

18x24x4 MERV 10 Filters - 3 Pack

Glasfloss

Product Review Score

4.93 out of 5 stars

78 reviews

$51.98

Pamlico 18x24x4 MERV 11 Pleated Air Filters - 3 Pack

Pamlico MERV 11 Air Filters - 3 Pack

Pamlico Air

Product Review Score

4.25 out of 5 stars

70 reviews

$49.98