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Need a different depth?
Same size, deeper filter
Below is 18x30 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 8Vendor:AAF Flanders18x30x1 NaturalAire Standard MERV 8
Regular price $154.99Sale price $154.99 Regular priceUnit price Case of 12 $12.92/filter -
MERV 8Vendor:AAF Flanders18x30x1 NaturalAire Odor Eliminator with Baking Soda MERV 8
Regular price $75.99Sale price $75.99 Regular priceUnit price Case of 4 $19.00/filter -
Vendor:AAF Flanders18x30x1 NaturalAire Healthy Ultra MERV 13
Regular price $326.99Sale price $326.99 Regular priceUnit price Case of 12 $27.25/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 -
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 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 -
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 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 Flanders24x30x1 NaturalAire Standard MERV 8
Regular price $186.99Sale price $186.99 Regular priceUnit price Case of 12 $15.58/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 Flanders18x20x1 NaturalAire Standard MERV 8
Regular price $105.99Sale price $105.99 Regular priceUnit price Case of 12 $8.83/filter -
MERV 10Vendor:AAF Flanders14x30x1 NaturalAire Microparticle MERV 10
Regular price $89.99Sale price $89.99 Regular priceUnit price Case of 6 $15.00/filter -
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 8Vendor:AAF Flanders14x30x1 NaturalAire Standard MERV 8
Regular price $149.99Sale price $149.99 Regular priceUnit price Case of 12 $12.50/filter -
MERV 13Vendor:AAF Flanders14x30x1 NaturalAire Healthy Ultra MERV 13
Regular price $234.99Sale price $234.99 Regular priceUnit price Case of 12 $19.58/filter
