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Need a different depth?
Same size, deeper filter
Below is 20x24 at 1 naturalaire″. A thicker filter holds more before it loads up, so it lasts longer between changes and puts less strain on the blower — we carry the same width and height in the depths below.
Ordering for a building? Ask for volume pricing or call 1-866-469-8556.
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MERV 10Vendor:AAF Flanders20x22x1 NaturalAire Microparticle MERV 10
Regular price $123.99Sale price $123.99 Regular priceUnit price Case of 6 $20.67/filter -
MERV 8Vendor:AAF Flanders20x30x1 NaturalAire Standard MERV 8
Regular price $155.99Sale price $155.99 Regular priceUnit price Case of 12 $13.00/filter -
MERV 8Vendor:AAF Flanders20x20x5 NaturalAire Choice Allergen MERV 8
Regular price $109.99Sale price $109.99 Regular priceUnit price Case of 2 $55.00/filter -
MERV 10Vendor:AAF Flanders10x20x1 NaturalAire Microparticle MERV 10
Regular price $109.99Sale price $109.99 Regular priceUnit price Case of 12 $9.17/filter -
MERV 10Vendor:AAF Flanders20x22x1 NaturalAire Microparticle MERV 10
Regular price $261.99Sale price $261.99 Regular priceUnit price Case of 12 $21.83/filter -
MERV 11Vendor:AAF Flanders20x25x4-1/2 NaturalAire Optimum Allergen MERV 11
Regular price $145.99Sale price $145.99 Regular priceUnit price Case of 2 $73.00/filter -
MERV 8Vendor:AAF Flanders20x25x4-1/2 NaturalAire Choice Allergen MERV 8
Regular price $104.99Sale price $104.99 Regular priceUnit price Case of 2 $52.50/filter -
MERV 8Vendor:AAF Flanders18x24x1 NaturalAire Standard MERV 8
Regular price $111.99Sale price $111.99 Regular priceUnit price Case of 12 $9.33/filter -
MERV 8Up to $20.11 offContact SupportVendor:AAF FlandersWAREHOUSE DEAL 20x20x5 NaturalAire Choice Allergen MERV 8
Regular price $89.88Sale price $89.88 Regular priceUnit price Case of 2 $44.94/filter$109.99 -
MERV 8Vendor:AAF Flanders20x22x1 NaturalAire Standard MERV 8
Regular price $179.99Sale price $179.99 Regular priceUnit price Case of 12 $15.00/filter -
MERV 11Vendor:AAF Flanders20x25x5 NaturalAire Optimum Allergen MERV 11
Regular price $145.99Sale price $145.99 Regular priceUnit price Case of 2 $73.00/filter -
MERV 10Vendor:AAF Flanders20x30x1 NaturalAire Microparticle MERV 10
Regular price $94.99Sale price $94.99 Regular priceUnit price Case of 6 $15.83/filter -
Vendor:AAF Flanders20x22x1 NaturalAire Healthy Ultra MERV 13
Regular price $329.99Sale price $329.99 Regular priceUnit price Case of 12 $27.50/filter -
MERV 8Vendor:AAF Flanders20x22-1/4x1 NaturalAire Standard MERV 8
Regular price $173.99Sale price $173.99 Regular priceUnit price Case of 12 $14.50/filter -
Up to $16 offVendor:AAF Flanders24x36x1 NaturalAire Permaire Washable Pad
Regular price $183.99Sale price $183.99 Regular priceUnit price Case of 12 $15.33/filter$199.99 -
MERV 8Vendor:AAF Flanders14x24x1 NaturalAire Standard MERV 8
Regular price $96.99Sale price $96.99 Regular priceUnit price Case of 12 $8.08/filter
