4" Air Filters

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

Product List

17x25x4 MERV 11 Air Filters (4-Pack)

MERV 11 Air Filters 4-Pack

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Product Review Score

4.92 out of 5 stars

187 reviews

SGD 143.10

Aerostar MERV 11 Pleated Air Filters, 2 Pack

MERV 11 Air Filters - 2 Pack

Aerostar

Product Review Score

4.8 out of 5 stars

112 reviews

SGD 85.70

Rayair 16x25 Dynamic Air Cleaner Filter Pads

Rayair 16x25 Air Filter Pads

Product Review Score

4.21 out of 5 stars

103 reviews

SGD 77.91

16x25x2 MERV 8 Pleated Air Filters 6-Pack

MERV 8 16x25x2 Air Filters 6-Pack

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Product Review Score

4.73 out of 5 stars

207 reviews

SGD 74.35

16x25x2 MERV 8 Pleated Air Filters 2-Pack

MERV 8 Pleated Filters 2-Pack

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Product Review Score

4.6 out of 5 stars

178 reviews

SGD 38.21

16x25x2 Pleated HVAC Air Filters - MERV 11

MERV 11 Pleated Air Filters

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Product Review Score

4.97 out of 5 stars

24 reviews

SGD 71.93

20x21x5 MERV 8 Air Filter (2-Pack)

MERV 8 Air Filters 2-Pack

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Product Review Score

4.28 out of 5 stars

95 reviews

SGD 97.52

20x21x5 MERV 13 Pleated Air Filters (2-Pack)

MERV 13 Pleated Filters 2-Pack

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Product Review Score

4.35 out of 5 stars

30 reviews

SGD 124.48

20x22x1 MERV 8 Pleated Air Filters (6-Pack)

MERV 8 Pleated Air Filters

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Product Review Score

4.19 out of 5 stars

117 reviews

SGD 69.58

MERV 11 Pleated Air Filters 20x25x6 (2-Pack)

MERV 11 Pleated Filters 20x25x6

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Product Review Score

4.89 out of 5 stars

224 reviews

SGD 106.97

20x22x1 MERV 11 Air Filters (6-Pack)

MERV 11 Air Filters 6-Pack

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Product Review Score

4.32 out of 5 stars

179 reviews

SGD 78.34

Glasfloss MERV 10 24x24 Air Filters, 6 Pack

Glasfloss MERV 10 Filters 6-Pack

Glasfloss

Product Review Score

4.3 out of 5 stars

176 reviews

SGD 140.71