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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.
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MERV 10Vendor:AAF Flanders18x25x1 NaturalAire Microparticle MERV 10
Regular price $127.99Sale price $127.99 Regular priceUnit price Case of 6 $21.33/filter -
Vendor:AAF Flanders18x25x1 NaturalAire Healthy Ultra MERV 13
Regular price $332.99Sale price $332.99 Regular priceUnit price Case of 12 $27.75/filter -
MERV 10Vendor:AAF Flanders18x25x1 NaturalAire Microparticle MERV 10
Regular price $260.99Sale price $260.99 Regular priceUnit price Case of 12 $21.75/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 -
MERV 8Vendor:AAF Flanders16x25x1 NaturalAire Standard MERV 8
Regular price $105.99Sale price $105.99 Regular priceUnit price Case of 12 $8.83/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 Flanders18x24x1 NaturalAire Standard MERV 8
Regular price $111.99Sale price $111.99 Regular priceUnit price Case of 12 $9.33/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 Flanders20x25x5 NaturalAire Choice Allergen MERV 8
Regular price $112.99Sale price $112.99 Regular priceUnit price Case of 2 $56.50/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 10Vendor:AAF Flanders25x30x1 NaturalAire Microparticle MERV 10
Regular price $131.99Sale price $131.99 Regular priceUnit price Case of 6 $22.00/filter -
MERV 8Vendor:AAF Flanders14x25x1 NaturalAire Standard MERV 8
Regular price $105.99Sale price $105.99 Regular priceUnit price Case of 12 $8.83/filter -
MERV 10Vendor:AAF Flanders16x25x1 NaturalAire Microparticle MERV 10
Regular price $74.99Sale price $74.99 Regular priceUnit price Case of 6 $12.50/filter -
MERV 10Vendor:AAF Flanders14x25x1 NaturalAire Microparticle MERV 10
Regular price $79.99Sale price $79.99 Regular priceUnit price Case of 6 $13.33/filter -
MERV 8Vendor:AAF Flanders18x20x1 NaturalAire Standard MERV 8
Regular price $105.99Sale price $105.99 Regular priceUnit price Case of 12 $8.83/filter -
MERV 8Vendor:AAF Flanders18x30x1 NaturalAire Standard MERV 8
Regular price $154.99Sale price $154.99 Regular priceUnit price Case of 12 $12.92/filter
