21x22x1 Air Filter

Enhance your home's air quality with our premium selection of 21x22x1 air filters designed for superior filtration and performance

Product List

21x22x1 MERV 13 Air Filters - 4 Pack

MERV 13 Air Filters - 4 Pack

Filterbuy

Product Review Score

4.75 out of 5 stars

8 reviews

SGD 105.04

MERV 8 Pleated Air Filter 4-Pack

MERV 8 Pleated Filter Pack

Filterbuy

Product Review Score

4.36 out of 5 stars

95 reviews

SGD 73.14

MERV 13 Pleated HVAC Air Filters 6-Pack

MERV 13 HVAC Filters 6-Pack

Filterbuy

Product Review Score

4.23 out of 5 stars

34 reviews

SGD 146.41

MERV 13 Pleated Air Filter 21"x22" (2-Pack)

MERV 13 Pleated Filters 21x22

Filterbuy

Product Review Score

4.37 out of 5 stars

187 reviews

SGD 62.18

21x22x1 MERV 11 Pleated Air Filter - 4 Pack

21x22x1 MERV 11 Filters - 4 Pack

Filter King

Product Review Score

4.53 out of 5 stars

181 reviews

SGD 85.23

Filter King MERV 13 Air Filters 21x22x1, 4-Pack

MERV 13 Air Filters 4-Pack

Filter King

Product Review Score

4.29 out of 5 stars

231 reviews

SGD 87.52

Filter King MERV 13 Air Filters 6-Pack

MERV 13 Air Filters 6-Pack

Filter King

Product Review Score

4.13 out of 5 stars

206 reviews

SGD 116.30

21x22x1 MERV 13 Air Filters (3-Pack)

MERV 13 21x22 Air Filters 3-Pack

Filterbuy

Product Review Score

4.22 out of 5 stars

54 reviews

SGD 88.36

21x22 Air Filter MERV 11 Allergen Defense - 12 Pack

21x22 MERV 11 Air Filters - 12 Pack

Filterbuy

Product Review Score

4.81 out of 5 stars

65 reviews

SGD 203.82

21x22x1 MERV 8 Air Filter (3-Pack)

MERV 8 Air Filter 3-Pack

Filterbuy

Product Review Score

4.95 out of 5 stars

15 reviews

SGD 61.21

Filterbuy 21x22x1 MERV 8 Air Filter

21x22x1 MERV 8 Filter

Filterbuy

Product Review Score

4.62 out of 5 stars

172 reviews

SGD 39.99

Air Filter MERV 8 Dust Defense 2-Pack

MERV 8 Dust Defense Filters 2-Pack

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Product Review Score

4.4 out of 5 stars

9 reviews

SGD 41.23