5&6" Air Filters

Enhance your indoor air quality with our selection of high-efficiency 5 and 6 inch air filters

Product List

20x21x5 MERV 11 Air Filter Replacement (4-Pack)

20x21x5 MERV 11 Filters (4-Pack)

Filterbuy

Product Review Score

4.27 out of 5 stars

163 reviews

$151.84

20x21x5 MERV 13 HVAC Replacement Air Filter

MERV 13 HVAC Air Filter

Filterbuy

Product Review Score

4.81 out of 5 stars

112 reviews

$72.09

20x21x5 MERV 13 Air Filter (4-Pack)

MERV 13 Air Filter Pack

Filterbuy

Product Review Score

4.32 out of 5 stars

126 reviews

$179.65

Y6606 MERV 16 Air Filter Replacement 20x21x5

Y6606 MERV 16 Filter 20x21x5

Product Review Score

4.17 out of 5 stars

160 reviews

$119.49

17.5x21x5 MERV 11 Allergen Defense Air Filters

MERV 11 Allergen Air Filters

Filterbuy

Product Review Score

4.24 out of 5 stars

232 reviews

$138.64

MERV 8 Rheem/Ruud 17.5x21x5 Filters - 2 Pack

MERV 8 Replacement Filters - 2 Pack

Spiropure

Product Review Score

4.68 out of 5 stars

32 reviews

$68.17

17.5x21x5 MERV 13 Pleated Air Filters (4-Pack)

MERV 13 Pleated Filters (4-Pack)

Filterbuy

Product Review Score

4.56 out of 5 stars

31 reviews

$166.88

AIRx MERV 11 HVAC Air Filter Replacement 2-Pack

MERV 11 Air Filter Pack

Airx Filters

Product Review Score

4.44 out of 5 stars

16 reviews

$76.86

Filter King 17x21x1 MERV 8 Air Filters - 5 Pack

17x21x1 MERV 8 Filters - 5 Pack

Filter King

Product Review Score

4.72 out of 5 stars

139 reviews

$54.99

MERV 11 Aftermarket Filters 17x21x5 (2 Pack)

MERV 11 17x21x5 Filters (2 Pack)

Spiropure

Product Review Score

4.85 out of 5 stars

206 reviews

$82.94

17x21x1 MERV 11 Air Filter (5-Pack)

17x21x1 MERV 11 Filters (5-Pack)

Filterbuy

Product Review Score

4.3 out of 5 stars

13 reviews

$78.75

16x28x6 MERV 13 Pleated Air Filters (2-Pack)

MERV 13 Pleated Air Filters

Filterbuy

Product Review Score

4.68 out of 5 stars

190 reviews

$92.26