Description
When your HVAC system calls for a 37-1/2 x 13 x 1″ filter and the standard aisle doesn’t carry it, this Exact Filters® unit is cut to your exact 37-1/2 x 13 x 1″ spec — no shims, no gaps, no bypass air.
A custom-cut filter keeps every cubic foot of return air flowing through the media rather than around it, which is the foundation of any effective filtration setup.
This MERV 13 pleated filter is the highest-efficiency option we produce in the Exact Filters® custom-size line. It’s commonly chosen by allergy-sensitive households, buildings in wildfire-smoke regions, healthcare and education facilities, and anyone wanting the deepest particulate capture we offer.
Specifications
- Nominal size: 37-1/2 x 13 x 1″
- Actual dimensions: 37-1/2 x 13 x 3/4″
- Efficiency rating: MERV 13
- Quantity: 12 filters per carton
The 37-1/2 x 13 x 1″ dimension is one of the many non-standard sizes we make on demand, serving both retrofit installations in older homes and light-commercial properties where the return housing dates to an older era of HVAC construction.
Features
- Suitable for forced-air furnaces, central AC, heat pumps, and packaged HVAC systems
- Pleated construction (or fiberglass, depending on MERV tier) designed for balanced capture and airflow
- Orientation arrow printed on the frame to ensure correct airflow direction at install
- Sold as a 12-pack so you have a full year of replacements on hand
Same 37-1/2 x 13 x 1″ size, different efficiency rating
| MERV 1-4Basic dust-stop | MERV 8Standard efficiency | MERV 11Enhanced efficiency |
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Need 37-1/2 x 13 x 2″ or another depth? This size is available in other depths we don’t stock online — reach out and our team will quote it for you, typically same business day.
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