12x20x4 Air Filter

Enhance your indoor air quality with our high-efficiency 12x20x4 air filters designed for optimal filtration and performance

Product List

10x20x4 MERV 11 Air Filters (4-Pack)

10x20x4 MERV 11 Filters (4-Pack)

Filterbuy

Product Review Score

4.34 out of 5 stars

140 reviews

$81.48

12x20x4 MERV 11 Air Filters (3-Pack)

12x20x4 MERV 11 Filters (3-Pack)

Filterbuy

Product Review Score

4.09 out of 5 stars

29 reviews

$57.30

Proairtek 12x20x1 Air Filters, MERV 8 (4-Pack)

Proairtek 12x20x1 MERV 8 Filters

Product Review Score

4.79 out of 5 stars

69 reviews

$27.50

20x25x4 MERV 13 Pleated Air Filters - 12 Pack

20x25x4 MERV 13 Filters - 12 Pack

Filterbuy

Product Review Score

4.72 out of 5 stars

131 reviews

$259.08

Filtrete Ultra Allergen 2X Filter - 4 Pack

Ultra Allergen Filter - 4 Pack

Filtrete

Product Review Score

4.74 out of 5 stars

100 reviews

$70.99

BNX TruFilter 16x20x1 MERV 12 Odor Defense Filters

BNX TruFilter Odor Defense

Bnx

Product Review Score

4.44 out of 5 stars

7 reviews

$59.99 $53.99

12x20x1 Merv 11 Air Filter 4-Pack

12x20x1 Merv 11 Filter Pack

Simply

Product Review Score

4.74 out of 5 stars

152 reviews

$35.94

BNX TruFilter 20x20x1 MERV 12 Odor Defense Filters

BNX TruFilter Odor Defense Filter

Bnx

Product Review Score

4.97 out of 5 stars

72 reviews

$59.99

Flanders E-Z Flow MERV 4 Air Filter 12-Pack

Flanders E-Z Flow MERV 4 Filters

Flanders

Product Review Score

4.99 out of 5 stars

122 reviews

$48.00

12x20x4 MERV 11 Pleated Air Filter (1-Pack)

12x20x4 MERV 11 Filter

Filterbuy

Product Review Score

4.58 out of 5 stars

208 reviews

$30.59

Glasfloss ZL MERV 13 4" Air Filters, 6 Pack

Glasfloss MERV 13 Air Filters

Glasfloss

Product Review Score

4.74 out of 5 stars

178 reviews

$139.95

PAMLICO AIR 12 in. W X 20 in. H X 1 in. D Fiberglass 4 MERV Air Filter 12pk

PAMLICO AIR 12 in. W X 20 in. H X 1 in. D Fib...

Pamlico Air

Product Review Score

4.2 out of 5 stars

94 reviews

$57.01