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Air filters by size
1,000+ sizes in MERV 8, 11, and 13. Can't find yours? Use the size finder below or order a custom size.
Available in: MERV 8MERV 11MERV 13
10×10×1"
Actual: 9.5×9.5×0.75"
from $4.99/ea
MERV 8 · 11 · 13
10×20×1"
Actual: 9.5×19.5×0.75"
from $4.99/ea
MERV 8 · 11 · 13
12×12×1"
Actual: 11.5×11.5×0.75"
from $4.99/ea
MERV 8 · 11 · 13
12×24×1"
Actual: 11.5×23.5×0.75"
from $6.32/ea
MERV 8 · 11 · 13
14×14×1"
Actual: 13.5×13.5×0.75"
from $4.99/ea
MERV 8 · 11 · 13
14×20×1"
Actual: 13.5×19.5×0.75"
from $6.14/ea
MERV 8 · 11 · 13
14×25×1"
Actual: 13.5×24.5×0.75"
from $7.68/ea
MERV 8 · 11 · 13
14×30×1"
Actual: 13.5×29.5×0.75"
from $9.21/ea
MERV 8 · 11 · 13
16×16×1"
Actual: 15.5×15.5×0.75"
from $5.61/ea
MERV 8 · 11 · 13
16×20×1"
Actual: 15.5×19.5×0.75"
from $7.02/ea
MERV 8 · 11 · 13
16×24×1"
Actual: 15.5×23.5×0.75"
from $8.42/ea
MERV 8 · 11 · 13
16×25×1"
Actual: 15.5×24.5×0.75"
from $8.77/ea
MERV 8 · 11 · 13
18×18×1"
Actual: 17.5×17.5×0.75"
from $7.11/ea
MERV 8 · 11 · 13
18×20×1"
Actual: 17.5×19.5×0.75"
from $7.90/ea
MERV 8 · 11 · 13
18×24×1"
Actual: 17.5×23.5×0.75"
from $9.47/ea
MERV 8 · 11 · 13
18×30×1"
Actual: 17.5×29.5×0.75"
from $11.84/ea
MERV 8 · 11 · 13
20×20×1"
Actual: 19.5×19.5×0.75"
from $8.77/ea
MERV 8 · 11 · 13
20×23×1"
Actual: 19.5×22.5×0.75"
from $10.09/ea
MERV 8 · 11 · 13
20×24×1"
Actual: 19.5×23.5×0.75"
from $10.53/ea
MERV 8 · 11 · 13
20×25×1"
Actual: 19.5×24.5×0.75"
from $10.97/ea
MERV 8 · 11 · 13
20×30×1"
Actual: 19.5×29.5×0.75"
from $13.16/ea
MERV 8 · 11 · 13
24×24×1"
Actual: 23.5×23.5×0.75"
from $12.63/ea
MERV 8 · 11 · 13
24×30×1"
Actual: 23.5×29.5×0.75"
from $15.79/ea
MERV 8 · 11 · 13
25×25×1"
Actual: 24.5×24.5×0.75"
from $13.71/ea
MERV 8 · 11 · 13