Search
Need a different depth?
Same size, deeper filter
Below is 18x25 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.
-
MERV 13Up to $31.51 offVendor:AAF FlandersWAREHOUSE DEAL 18x24x1 NaturalAire Healthy Ultra MERV 13
Only 1 leftRegular price $97.99Sale price $97.99 Regular priceUnit price Case of 7 $14.00/filter$129.50 -
MERV 10Vendor:AAF Flanders18x24x1 NaturalAire Microparticle MERV 10
Regular price $148.99Sale price $148.99 Regular priceUnit price Case of 12 $12.42/filter -
MERV 8Vendor:AAF Flanders16x25x1 NaturalAire Odor Eliminator with Baking Soda MERV 8
Regular price $62.99Sale price $62.99 Regular priceUnit price Case of 4 $15.75/filter -
MERV 8Vendor:AAF FlandersNaturalAire Standard MERV 8
Regular price $81.99Sale price $81.99 Regular priceUnit price Case of 6 $13.67/filter -
MERV 10Vendor:AAF Flanders
18x24x1 NaturalAire Microparticle MERV 10
Regular price $84.99Sale price $84.99 Regular priceUnit price Case of 6 $14.17/filter -
MERV 13Vendor:AAF Flanders18x24x1 NaturalAire Healthy Ultra MERV 13
Regular price $243.99Sale price $243.99 Regular priceUnit price Case of 12 $20.33/filter -
MERV 10Vendor:AAF Flanders18x30x1 NaturalAire Microparticle MERV 10
Regular price $246.99Sale price $246.99 Regular priceUnit price Case of 12 $20.58/filter -
Vendor:AAF Flanders19-1/2x23x1 NaturalAire Standard MERV 8
Regular price $266.99Sale price $266.99 Regular priceUnit price Case of 12 $22.25/filter -
MERV 10Vendor:AAF Flanders14x18x1 NaturalAire Microparticle MERV 10
Regular price $217.99Sale price $217.99 Regular priceUnit price Case of 12 $18.17/filter -
MERV 8Vendor:AAF Flanders16x20x5 NaturalAire Choice Allergen MERV 8
Regular price $204.99Sale price $204.99 Regular priceUnit price Case of 2 $102.50/filter -
MERV 8Up to $20.86 offContact SupportVendor:AAF FlandersWAREHOUSE DEAL 12x25x1 NaturalAire Standard MERV 8
Regular price $39.99Sale price $39.99 Regular priceUnit price Case of 5 $8.00/filter$60.85 -
MERV 8Vendor:AAF Flanders18x21x1 NaturalAire Odor Eliminator with Baking Soda MERV 8
Regular price $98.99Sale price $98.99 Regular priceUnit price Case of 4 $24.75/filter -
MERV 8Vendor:AAF Flanders19x20x4 NaturalAire Choice Allergen MERV 8
Regular price $136.99Sale price $136.99 Regular priceUnit price Case of 2 $68.50/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 8Vendor:AAF Flanders14x25x1 NaturalAire Odor Eliminator with Baking Soda MERV 8
Regular price $57.99Sale price $57.99 Regular priceUnit price Case of 4 $14.50/filter -
MERV 10Vendor:AAF FlandersCustom Size NaturalAire Microparticle MERV 10 Air Filter
Regular price $228.99Sale price $228.99 Regular price
