20x20x4 Air Filter

Optimize your indoor air quality with efficient 20x20x4 air filters designed for maximum dust and allergen capture

Product List

MERV 11 Allergen Defense Air Filters 20x20x4

MERV 11 Air Filters 20x20

Filterbuy

Product Review Score

4.61 out of 5 stars

157 reviews

SGD 68.77

MERV 13 Pleated HVAC Air Filters 4-Pack

MERV 13 Air Filter Pack

Filterbuy

Product Review Score

4.42 out of 5 stars

85 reviews

SGD 122.74

Honeywell 20" x 20" Pleated Air Filter MERV 11 Bundle

Honeywell 20" Pleated Filter Bundle

Honeywell

Product Review Score

4.43 out of 5 stars

68 reviews

SGD 87.94

Filtrete 20x20x4 Air Filter, 2-Pack

Filtrete 20x20x4 Air Filters

Filtrete

Product Review Score

4.72 out of 5 stars

159 reviews

SGD 92.86 SGD 83.93

TopTech MERV 11 Air Filter 20x20x4

TopTech MERV 11 Filter 20x20

Product Review Score

4.15 out of 5 stars

227 reviews

SGD 77.76 SGD 69.73

20x20x4 MERV 8 Pleated Air Filters (6-Pack)

20x20x4 MERV 8 Air Filters 6-Pack

Filterbuy

Product Review Score

4.63 out of 5 stars

113 reviews

SGD 131.73

20x20x4 MERV 11 Air Filters - 6-Pack

20x20x4 MERV 11 Filters - 6 Pack

Filterbuy

Product Review Score

4.27 out of 5 stars

86 reviews

SGD 138.63

20" x 20" x 4" Replacement Filter Pack of 5

20"x20"x4" Filter 5-Pack

Honeywell

Product Review Score

4.27 out of 5 stars

229 reviews

SGD 154.84 SGD 141.92

Glasfloss MERV 10 4" AC Air Filters - Box of 4

Glasfloss MERV 10 Air Filters

Glasfloss

Product Review Score

4.21 out of 5 stars

166 reviews

SGD 72.30

Glasfloss 20x20x4 MERV 10 Filter Pack

Glasfloss MERV 10 Filter Pack

Glasfloss

Product Review Score

4.74 out of 5 stars

110 reviews

SGD 98.13

20x20x4 MERV 13 Air Filters 6-Pack

MERV 13 20x20x4 Air Filters 6-Pack

Filterbuy

Product Review Score

4.33 out of 5 stars

119 reviews

SGD 177.92

UBeesize Reusable Electrostatic Air Filter 20x20

UBeesize Electrostatic Air Filter 20x20

Product Review Score

4.59 out of 5 stars

232 reviews

SGD 149.77 SGD 134.82