Custom Air Filters
At Air Filter Express, we take clean air seriously, which is why we offer all of the major replacement sizes. Nevertheless, the size you are looking for might not be listed. If you are unable to find your filter within our standard sizes, you can easily create it using our custom air filter tool!
Custom size air filters are built to the specifications provided by the user, unfortunately, this means that we are unable to accept returns or refunds.
Our filters are labeled with the standard depths, the actual depth of each filter can be seen in the table below.
| Stated Depth: | 1/2" | 1" | 2" | 4" | 6" |
| Actual Depth: | 3/8" | 3/4" | 1 -3/4" | 3 -3/4" | 5 -7/8" |
NOTE: When creating a custom air filter, it is important to use the exact measurements required.
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22 -1/4x22 -1/4x4 Air Filter
MERV 13
Accumulair Diamond