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Need a different depth?
Same size, deeper filter
Below is 20x36 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 Flanders20x36x1 NaturalAire Microparticle MERV 10
Regular price $289.99Sale price $289.99 Regular priceUnit price Case of 12 $24.17/filter -
MERV 10Vendor:AAF Flanders20x36x1 NaturalAire Microparticle MERV 10
Regular price $160.99Sale price $160.99 Regular priceUnit price Case of 6 $26.83/filter -
MERV 8Vendor:AAF Flanders20x36x1 NaturalAire Standard MERV 8
Regular price $186.99Sale price $186.99 Regular priceUnit price Case of 12 $15.58/filter -
Vendor:AAF Flanders20x36x1 NaturalAire Healthy Ultra MERV 13
Regular price $370.99Sale price $370.99 Regular priceUnit price Case of 12 $30.92/filter -
MERV 1-4Vendor:AAF Flanders20x30x1 NaturalAire Cut-to-Fit Natural Fiber Washable Filter SM1006
Regular price $78.99Sale price $78.99 Regular priceUnit price Case of 6 $13.17/filter -
MERV 13Vendor:AAF Flanders20x30x1 NaturalAire Healthy Ultra MERV 13
Regular price $228.99Sale price $228.99 Regular priceUnit price Case of 12 $19.08/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 10Vendor:AAF Flanders20x30x1 NaturalAire Microparticle MERV 10
Regular price $94.99Sale price $94.99 Regular priceUnit price Case of 6 $15.83/filter -
MERV 10Vendor:AAF FlandersNaturalAire Microparticle MERV 10
Regular price From $137.99Sale price From $137.99 Regular priceUnit price Case of 12 $11.50/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 10Vendor:AAF Flanders
20x30x1 NaturalAire Microparticle MERV 10
Regular price $171.99Sale price $171.99 Regular priceUnit price Case of 12 $14.33/filter -
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 10Vendor:AAF FlandersWAREHOUSE DEAL 20x30x1 NaturalAire Microparticle MERV 10
Only 1 leftRegular price $124.88Sale price $124.88 Regular priceUnit price Case of 12 $10.41/filter -
MERV 10Vendor:AAF Flanders20x20x1 NaturalAire Microparticle MERV 10
Regular price $140.99Sale price $140.99 Regular priceUnit price Case of 12 $11.75/filter -
Vendor:AAF Flanders12x36x1 NaturalAire Healthy Ultra MERV 13
Regular price $321.99Sale price $321.99 Regular priceUnit price Case of 12 $26.83/filter -
MERV 10Vendor:AAF Flanders12x36x1 NaturalAire Microparticle MERV 10
Regular price $187.99Sale price $187.99 Regular priceUnit price Case of 12 $15.67/filter
