20x20x4 Air Filter

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

Product List

Mann+Hummel 20x20x4 MERV 8 HVAC Filters - 2 Pack

Mann+Hummel MERV 8 Filters 2-Pack

Product Review Score

4.79 out of 5 stars

90 reviews

SGD 45.42

20x20x4 Air Filter, MERV 8 – Allergy Control

20x20x4 MERV 8 Air Filter

Simply

Product Review Score

4.87 out of 5 stars

134 reviews

SGD 37.83

20x20x4 MERV 13 Air Filters (3-Pack)

MERV 13 Air Filters (3-Pack)

Filterbuy

Product Review Score

4.26 out of 5 stars

135 reviews

SGD 110.02

Honeywell 20x20x4 MERV 11 Air Filter Replacement

Honeywell 20x20x4 MERV 11 Filter

Product Review Score

4.47 out of 5 stars

216 reviews

SGD 59.32

AprilAire 313 MERV 13 Air Filter (Pack of 2)

AprilAire 313 MERV 13 Filters

Product Review Score

4.88 out of 5 stars

161 reviews

SGD 101.86

Glasfloss MERV 10 Pleated Air Filters - 3 Pack

MERV 10 Pleated Air Filters 3-Pack

Glasfloss

Product Review Score

4.27 out of 5 stars

45 reviews

SGD 60.57

20x20x4 MERV 8 Air Filter Dust Defense - 12 Pack

20x20x4 MERV 8 Filters - 12 Pack

Filterbuy

Product Review Score

4.82 out of 5 stars

82 reviews

SGD 227.82

20x20x4 MERV 11 Air Filters - 3-Pack

20x20x4 MERV 11 Filters - 3-Pack

Filterbuy

Product Review Score

4.48 out of 5 stars

57 reviews

SGD 94.65

20x20x4 MERV 11 Air Filter 6 Pack

20x20x4 MERV 11 Filter Pack

Simply

Product Review Score

4.75 out of 5 stars

228 reviews

SGD 126.19 SGD 113.56

20x20 Air Filter, MERV 8, 2 Pack

20x20 MERV 8 Filter - 2 Pack

Simply

Product Review Score

4.43 out of 5 stars

195 reviews

SGD 56.79

Aerostar 20x20x4 MERV 13 Air Filters - Pack of 6

MERV 13 Air Filters 6-Pack

Aerostar

Product Review Score

4.95 out of 5 stars

62 reviews

SGD 168.87

Premium MERV 13 Pleated Air Filters (4-Pack)

MERV 13 Air Filters (4-Pack)

Product Review Score

4.78 out of 5 stars

175 reviews

SGD 133.79 SGD 113.72