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Need a different depth?
Same size, deeper filter
Below is 13x20 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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Vendor:AAF Flanders13x20x1 NaturalAire Standard MERV 8
Regular price $232.99Sale price $232.99 Regular priceUnit price Case of 12 $19.42/filter -
MERV 13Vendor:AAF Flanders20x20x1 NaturalAire Healthy Ultra MERV 13
Regular price $241.99Sale price $241.99 Regular priceUnit price Case of 12 $20.17/filter -
MERV 13Vendor:AAF FlandersNaturalAire Healthy Ultra MERV 13
Regular price From $174.99Sale price From $174.99 Regular priceUnit price Case of 12 $14.58/filter -
MERV 13Up to $40.31 offVendor:AAF FlandersWAREHOUSE DEAL 20x20x1 NaturalAire Healthy Ultra MERV 13
Only 1 leftRegular price $142.99Sale price $142.99 Regular priceUnit price Case of 10 $14.30/filter$183.30 -
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 -
Vendor:AAF Flanders12x20x1 NaturalAire Healthy Ultra MERV 13
Regular price $268.99Sale price $268.99 Regular priceUnit price Case of 12 $22.42/filter -
MERV 10Vendor:AAF Flanders20x20x1 NaturalAire Microparticle MERV 10
Regular price $70.99Sale price $70.99 Regular priceUnit price Case of 6 $11.83/filter -
MERV 13Vendor:AAF Flanders10x20x1 NaturalAire Healthy Ultra MERV 13
Regular price $218.99Sale price $218.99 Regular priceUnit price Case of 12 $18.25/filter -
MERV 8Vendor:AAF Flanders20x20x1 NaturalAire Standard MERV 8
Regular price $104.99Sale price $104.99 Regular priceUnit price Case of 12 $8.75/filter -
Up to $79.21 offVendor:AAF FlandersWAREHOUSE DEAL 12x20x1 NaturalAire Healthy Ultra MERV 13
Only 1 leftRegular price $129.99Sale price $129.99 Regular priceUnit price Case of 10 $13.00/filter$209.20 -
MERV 13Vendor:AAF Flanders14x20x1 NaturalAire Healthy Ultra MERV 13
Regular price $230.99Sale price $230.99 Regular priceUnit price Case of 12 $19.25/filter -
MERV 13Vendor:AAF Flanders16x20x1 NaturalAire Healthy Ultra MERV 13
Regular price $224.99Sale price $224.99 Regular priceUnit price Case of 12 $18.75/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 -
Up to $10.39 offVendor:AAF FlandersWAREHOUSE DEAL 15x20x1 NaturalAire Healthy Ultra MERV 13
Only 1 leftRegular price $149.99Sale price $149.99 Regular priceUnit price Case of 11 $13.64/filter$160.38 -
MERV 10Vendor:AAF Flanders10x20x1 NaturalAire Microparticle MERV 10
Regular price $109.99Sale price $109.99 Regular priceUnit price Case of 12 $9.17/filter -
Vendor:AAF Flanders15x20x1 NaturalAire Healthy Ultra MERV 13
Regular price $281.99Sale price $281.99 Regular priceUnit price Case of 12 $23.50/filter
