Description
This 38-1/2 x 23-3/4 x 1″ Exact Filters® air filter is manufactured to your exact dimensions, eliminating the guesswork of matching an off-the-shelf filter to a non-standard 38-1/2 x 23-3/4 x 1″ opening.
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.
MERV 13 targets the fine particulate fraction that lower MERV ratings allow through — including smoke, bacteria-carrying dust, and combustion byproducts. Airflow resistance is higher than MERV 8 or 11, so systems with borderline static pressure should be evaluated before switching up.
Specifications
- Nominal size: 38-1/2 x 23-3/4 x 1″
- Actual dimensions: 38-1/2 x 23-3/4 x 3/4″
- Efficiency rating: MERV 13
- Quantity: 12 filters per carton
This 38-1/2 x 23-3/4 x 1″ filter size is frequently ordered by homeowners with older systems, property managers handling mixed-vintage HVAC equipment, and facilities maintenance teams servicing buildings where no two return grilles seem to measure the same.
Features
- Cardboard frame with reinforced media for structural stability during handling and installation
- 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
Same 38-1/2 x 23-3/4 x 1″ size, different efficiency rating
| MERV 1-4Basic dust-stop | MERV 8Standard efficiency | MERV 11Enhanced efficiency |
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Need 38-1/2 x 23-3/4 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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