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Need a different depth?
Same size, deeper filter
Below is 20x25 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 Flanders20x25x1 NaturalAire Microparticle MERV 10
Regular price $77.99Sale price $77.99 Regular priceUnit price Case of 6 $13.00/filter -
MERV 8Vendor:AAF Flanders20x25x1 NaturalAire Standard MERV 8
Regular price $106.99Sale price $106.99 Regular priceUnit price Case of 12 $8.92/filter -
MERV 8Vendor:AAF Flanders20x25x1 NaturalAire Odor Eliminator with Baking Soda MERV 8
Regular price $61.99Sale price $61.99 Regular priceUnit price Case of 4 $15.50/filter -
MERV 10Vendor:AAF Flanders
20x25x1 NaturalAire Microparticle MERV 10
Regular price $152.99Sale price $152.99 Regular priceUnit price Case of 12 $12.75/filter -
MERV 13Vendor:AAF Flanders20x25x1 NaturalAire Healthy Ultra MERV 13
Regular price $191.99Sale price $191.99 Regular priceUnit price Case of 12 $16.00/filter -
MERV 8Vendor:AAF Flanders20x25x5 NaturalAire Choice Allergen MERV 8
Regular price $112.99Sale price $112.99 Regular priceUnit price Case of 2 $56.50/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 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 10Vendor:AAF Flanders20x20x1 NaturalAire Microparticle MERV 10
Regular price $70.99Sale price $70.99 Regular priceUnit price Case of 6 $11.83/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 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 8Vendor:AAF Flanders20x20x1 NaturalAire Standard MERV 8
Regular price $104.99Sale price $104.99 Regular priceUnit price Case of 12 $8.75/filter -
MERV 8Vendor:AAF FlandersNaturalAire Standard MERV 8
Regular price From $95.99Sale price From $95.99 Regular priceUnit price Case of 12 $8.00/filter -
MERV 8Contact SupportVendor:AAF Flanders20x25x3 NaturalAire Choice Allergen MERV 8
Regular price $210.99Sale price $210.99 Regular priceUnit price Case of 3 $70.33/filter -
MERV 10Vendor:AAF Flanders16x25x1 NaturalAire Microparticle MERV 10
Regular price $143.99Sale price $143.99 Regular priceUnit price Case of 12 $12.00/filter
