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Need a different depth?
Same size, deeper filter
Below is 12x20 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 13Vendor:AAF Flanders20x24x1 NaturalAire Healthy Ultra MERV 13
Regular price $204.99Sale price $204.99 Regular priceUnit price Case of 12 $17.08/filter -
MERV 10Vendor:AAF Flanders20x36x1 NaturalAire Microparticle MERV 10
Regular price $289.99Sale price $289.99 Regular priceUnit price Case of 12 $24.17/filter -
MERV 8Vendor:AAF Flanders12x24x1 NaturalAire Standard MERV 8
Regular price $99.99Sale price $99.99 Regular priceUnit price Case of 12 $8.33/filter -
MERV 8Up to $30.76 offContact SupportVendor:AAF FlandersWAREHOUSE DEAL 10x20x1 NaturalAire Standard MERV 8
Regular price $59.99Sale price $59.99 Regular priceUnit price Case of 11 $5.45/filter$90.75 -
MERV 8Vendor:AAF Flanders12x30x1 NaturalAire Standard MERV 8
Regular price $129.99Sale price $129.99 Regular priceUnit price Case of 12 $10.83/filter -
MERV 13Vendor:AAF Flanders12x12x1 NaturalAire Healthy Ultra MERV 13
Regular price $233.99Sale price $233.99 Regular priceUnit price Case of 12 $19.50/filter -
MERV 10Vendor:AAF Flanders12x30x1 NaturalAire Microparticle MERV 10
Regular price $237.99Sale price $237.99 Regular priceUnit price Case of 12 $19.83/filter -
MERV 8Vendor:AAF Flanders12x27x1 NaturalAire Standard MERV 8
Regular price $149.99Sale price $149.99 Regular priceUnit price Case of 12 $12.50/filter -
Vendor:AAF Flanders12x30x1 NaturalAire Healthy Ultra MERV 13
Regular price $312.99Sale price $312.99 Regular priceUnit price Case of 12 $26.08/filter -
MERV 10Vendor:AAF Flanders12x24x1 NaturalAire Microparticle MERV 10
Regular price $182.99Sale price $182.99 Regular priceUnit price Case of 12 $15.25/filter -
MERV 8Vendor:AAF Flanders12x25x1 NaturalAire Standard MERV 8
Regular price $149.99Sale price $149.99 Regular priceUnit price Case of 12 $12.50/filter -
MERV 1-4Vendor:AAF Flanders12x20x1 Flanders Nested Glass EZ-Green Filter
Regular price $114.99Sale price $114.99 Regular priceUnit price Case of 24 $4.79/filter -
MERV 10Vendor:AAF FlandersCustom Size NaturalAire Microparticle MERV 10 Air Filter
Regular price $228.99Sale price $228.99 Regular price -
MERV 8Contact SupportVendor:AAF Flanders20x25x6 NaturalAire Choice Allergen MERV 8
Regular price $190.99Sale price $190.99 Regular priceUnit price Case of 3 $63.66/filter -
MERV 8Vendor:AAF Flanders21-1/2x24x1 NaturalAire Standard MERV 8
Regular price $180.99Sale price $180.99 Regular priceUnit price Case of 12 $15.08/filter -
MERV 13Vendor:AAF Flanders12x24x1 NaturalAire Healthy Ultra MERV 13
Regular price $174.99Sale price $174.99 Regular priceUnit price Case of 12 $14.58/filter
