4" Air Filters

Explore our selection of 4 inch air filters designed for optimal air quality and efficiency

Product List

Clorox 18x20x1 MERV 11 Pleated Air Filters 4-Pack

Clorox MERV 11 Air Filters

Product Review Score

4.49 out of 5 stars

232 reviews

$48.53

12x24x4 Merv 8 Air Filter - Pack of 6

12x24x4 Merv 8 Filters - 6 Pack

Pamlico Air

Product Review Score

4.75 out of 5 stars

132 reviews

$59.00

20x24x1 MERV 11 Air Filters (4-Pack)

20x24x1 MERV 11 Filters (4-Pack)

Product Review Score

4.91 out of 5 stars

80 reviews

$32.46

Glasfloss 14x25x1 Fiberglass Air Filter Pack

Glasfloss Fiberglass Air Filter

Glasfloss

Product Review Score

4.5 out of 5 stars

95 reviews

$33.17

Clorox MERV 13 Pleated Air Filters, 4-Pack

Clorox MERV 13 Air Filters

Product Review Score

4.3 out of 5 stars

64 reviews

$44.45

Filter King 21x45x1 Pleated Air Filters - 4-Pack

21x45 Pleated Air Filters

Filter King

Product Review Score

4.46 out of 5 stars

193 reviews

$100.68

Envirowise MERV 13 Quikbox Filter Media 2-Pack

MERV 13 Quikbox Filters 2-Pack

Product Review Score

4.18 out of 5 stars

90 reviews

$80.77

20x21x4 MERV 8 Dust Defense Air Filters - 2-Pack

20x21x4 MERV 8 Air Filters

Filterbuy

Product Review Score

4.46 out of 5 stars

135 reviews

$53.48

12x25x4 Air Filter MERV 8 Dust Defense (4-Pack)

12x25x4 MERV 8 Air Filter

Filterbuy

Product Review Score

4.82 out of 5 stars

132 reviews

$77.96

BNX TruFilter MERV 8 16x25x4 Air Filter 2-Pack

BNX TruFilter MERV 8 - 2-Pack

Bnx

Product Review Score

4.44 out of 5 stars

80 reviews

$45.99

Nordic Pure MERV 12 14x30x1 Pleated Filters 4-Pack

Nordic Pure MERV 12 Filters

Nordic Pure

Product Review Score

4.46 out of 5 stars

27 reviews

$57.99

Filter King 4-Pack MERV 8 Pleated Air Filters

Filter King MERV 8 4-Pack

Filter King

Product Review Score

4.32 out of 5 stars

210 reviews

$57.63